I and II
II and Ill
only III
Only II
Amylase
Maltase
Lipase
pepsin
Stearic acid
Palmitic acid
Oleic acid
Phenyl acetic acid
Olive oil
Paraffin oil
Groundnut oil
Kerosene oil
as a filler
to increases leathering
to prevent rapid drying
to make soap granules
sodium silicate
sodium carbonate
Soap stone
All of these
long chain monocarboxylic acids
glycerol
long chain dicarboxylic acids
long chain tricarboxylic acids
rnethanol
ethanol
pentanol
glycerol
` C_(17)H_(35)COOK`
` C_(17)H_(35)COOH`
` C_(51)H_(31)COOH`
`(C_(17)H_(35)COO)_2Ca`
`MnO`
`ZnO`
`CaO`
`PbO`
Aldehydes
Salts of organic acid
Esters
Amines
Starch
sodium carbonate
Both (a) and (b)
None of these
calcium salt of fatty acids
potassium salt of fatty acids
fatty acids and alcohol
phenol and olive oil
Soap dissolves the soil as such.
Soap reacts with soil and converts them into soluble silicates.
Soap takes away the oily part of the soil and thus separates the soil from the cloth.
The soap molecules bind with the soil, lift the soil and keep it suspended which can then the rinsed away.
Sodium carbonate
Sodium rosinate
Sodium stearate
Trisodium phosphate
sodium laurylsulphate
sodium dodecylbenzenesulphonate
rosin
bithional
List I (Metallic oxide) | List II(Colour imparted to glass) | ||
---|---|---|---|
(A) | Uranium oxide | (1) | Red |
(B) | Cuprous oxide | (2) | Blue |
(C) | Cobalt oxide | (3) | Green |
(D) | Chromium oxide | (4) | Yellow |
`A →4 , B → 1, C → 2 , D → 3`
`A → 3 , B → 2 , C → 1 , D → 4`
`A → 4 , B → 2 , C → 1 , D → 3`
`A → 3 , B → 1 , C → 2 , D → 4`
I, II and IV
II, Ill and IV
I, II and III
I and III
makes glass strong
makes glass unbreakable
cuts off UV rays
All of the above
Soda glass
Flint glass
Safety glass
Pyrex glass
Glass
`Ce`
`Si`
`Ti`
It is soft and transparent
It's refractive index is very high
It is `K_2O * PbO * 6SiO_2`
It does not break's on red hot
oxides of alkaline metals
network of wires
`SiO_2`
layer of plastic
increases brittleness of glass
decrease resistivity of glass
Both (a) and (b)
None of the above
`Al_2O_3`
`Na_3AlF_6`
`B_2O_3`
`Na_2SiO_3`
List I (Chemical compounds) | List II(Uses) | ||
---|---|---|---|
(A) | Silver bromide | (1) | Etching of glass |
(B) | Hydrogen peroxide | (2) | Photography |
(C) | Hydrofluoric acid | (3) | Purification of air |
(D) | Ozone | (4) | Bleaching agent |
`A →2 , B → 3, C → 1 , D → 4`
`A → 2 , B → 4 , C → 1 , D → 3`
`A → 3 , B → 1 , C → 4 , D → 2`
`A → 4 , B → 2 , C → 1 , D → 3`
solubility of glass in `HF`
softening of glass over a wide range of temperature
glass being a super cooled liquid
All of the above
a crystalline solid
an ionic solid
an elastic solid
a virtified liquid
`Zn`
`B`
`Pb`
`Cl`
Safety glass
Ground glass
Reinforced glass
Borosilicate glass
yellow colour
red colour
violet colour
light pink colour
dextrans
Resin
eosine
None of these
Eosine
Methylene
`FeSO_4`
`BaCl_2`
Carboxylic acid
Carbolic acid
Hydrochloric acid
None of these
aniline ink
permanent ink
Both (a) and (b)
None of these
`H_2CO_3`
`H_3BO_3`
Both (a) and (b)
None of these
Tannic acid and `FeSO_4`
Napthalene black
Both (a) and (b)
None of the above
eosine. gycerol, `FeSO_4` phenol
eosine, alcohol , tannig acid, phenol
eosine, qlycerol, carbonic acid, phenol
eosine, glycerol, dil `HCl`, phenol
List I | List II | ||
---|---|---|---|
(A) | GIass | (1) | Soap |
(B) | Cement | (2) | Supercooled liquid |
(C) | `C_(12)H_(35)COONa` | (3) | Mixture |
(D) | Paper | (4) | Cellulose |
`A →3 , B → 2, C → 1 , D → 4`
`A → 2 , B → 3 , C → 1 , D → 4`
`A → 4 , B → 1 , C → 3 , D → 2`
`A → 1 , B → 4 , C → 2 , D → 3`
List I(material) | List II(Important ingredient) | ||
---|---|---|---|
(A) | Cement | (1) | Sodium salt of fatty acids |
(B) | Glass | (2) | Carbon black |
(C) | Ink | (3) | Silica in the form of quartz |
(D) | Soap | (4) | Aluminates and silicates of calcium |
`A →4 , B → 3, C → 2 , D → 1`
`A → 1 , B → 2 , C → 3 , D → 4`
`A → 1 , B → 3 , C → 2 , D → 4`
`A → 4 , B → 2 , C → 3 , D → 1`
setting time low
setting time high
hardness
softness
Gypsum is added to regulate setting time of cement
White cement does not contain iron
Lime is main constituent of cement
All of the above are correct
Dicalcium silicate
Tricalcium silicate
Tricalcium aluminate
Tetracalcium aluminoferrite
hydrolysis of cement
dehydration of cement
hydration of cement
hydrolysis and hydration of cement
List I(Substance) | List II(Raw material) | ||
---|---|---|---|
(A) | Glass | (1) | Fat and caustic alkali |
(B) | Soap | (2) | Cellulose fibre and gelatin |
(C) | Paper | (3) | Silicates of calcium and aluminium |
(D) | Cement | (4) | Silica |
`A →3 , B → 2, C → 1 , D → 4`
`A → 4 , B → 2 , C → 1 , D → 3`
`A → 3 , B → 1 , C → 2 , D → 4`
`A → 4 , B → 1 , C → 2 , D → 3`
cement: + sand + water
sand + iron
cement + sand + iron
None of the above
silica
alumina
iron oxide
maonesia
to prevent excessive shrinkage which might result in cracks
to make the mass compact
to decrease the plasticity of mass
to increase the hardness
increase setting time
decrease setting time
increase hardness
helps in hydrolysis
ACC
RCC
RDC
Clinker
`MnO , PbO , CdO`
`MnO , CoO , NiO`
`NiO , K_2O , CdO`
`K_2O , MgO , CaO`
`PbCrO_4 * PbO`
`PbCrO_4 `
`Pb_3O_4`
`PbS+PbO`
`PbCO_3`
`PbCO_3* PbO`
`2PbCO_3 * Pb(OH)_2`
`2PbSO_4 * PbO`
I and III
only I
I and II
II and III only
Both Statement I and Statement II are true and Statement II is the correct explanation of Statement I
Both the statements are true but Statement II is not the correct explanation of Statement I.
Statement I is true, but Statement II is false
Statement I is false, but Statement II is true.
I, II and IV
I , II and III
II and III
I and III
`BaSO_4+ZnS`
`BaSO_4+ZnO`
`Pb_2O_4`
`Pb(CH_3COO)_2`
`Pb_3O_4`
`PbO_2`
`PbO`
`Pb_4O_3`
increase the volume of paints
increase the concentration of paint,;
increase both volume and weight of paints
None of the above
`KNO_3+S +` charcoal
`KHCO_3+S+` charcoal
`KNO_3+S`+ coal
All of the above
`P_2S_3`
`P_2S_5`
powdered glass + red P
All of the above
Both Statement I and Statement II are true and Statement II is the correct explanation of Statement I
Both the statements are true but Statement II is not the correct explanation of Statement I.
Statement I is true, but Statement II is false
Statement I is false, but Statement II is true.
antimony sulphide + potassium chlorate + potassium dichromate
antimony sulphide + lead + sodium chlorate
antimony sulphide + potassium chlorate + potassium bicarbonate
potassium chlorate + lead + lead trisulphide
Oxygen : nitrogen
Nitrogen : carbon monoxide
Nitrogen : carbon dioxide
Carbon dioxide : nitrogen
Polythene
Neoprene
PVC
Bakelite
rayon
nylon-6
nylon-66
None of these
Nylon
orlon
Tefflon
Terylene
ethylene glycol
phenol
ethanol
catechol
galvanisation
volcarisation
bessemerisation
sulphonation
Cellulose
Cellulose
Amylopectin
Glycogen
Both Statement I and Statement II are true and Statement II is the correct explanation of Statement I
Both the statements are true but Statement II is not the correct explanation of Statement I.
Statement I is true, but Statement II is false
Statement I is false, but Statement II is true.
Polyisoprene
polyvinal chloride
polychloroprene
polyfluorethylene
diffuoroethane
monofluoroethane
tetrafluoroethene
tetrafiuoroethane
PVC
Polystrene
Polyethylene
Polytetrafluoreoethylene
wax
1 , 3- butadine
`CaC_2`
carbon black
Formaldehyde and acetic acid
formaldeyde and phenol
ethaylalcohol and phenol
acetic acid and benzene
dacron
orion (acrilan)
PVC
bakelite
List I(Fertilizers) | List II(Chemical formula) | ||
---|---|---|---|
(A) | Urea | (1) | `(NH_4)_2SO_4` |
(B) | Nitrolim | (2) | `NH_2CONH_2` |
(C) | Thomas Slag | (3) | `CaCN_2` |
(D) | Sindri fertiliser | (4) | `Ca_3(PO_4)_2 * CaSiO_3` |
`A →2 , B → 3, C → 4 , D → 1`
`A → 1 , B → 2 , C → 3 , D → 4`
`A → 4 , B → 3 , C → 2 , D → 1`
`A → 2 , B → 3 , C → 1 , D → 4`
calcium cyanamide
calcium cyanide
calcium carbonate
calcium nitrate
nitrogen phosphorus and poteassium
nitrogen , phosphorus and sodium
calcium , potassium and sodium
all elements of periodic tables
I, II and Ill
II , III and IV
I, II and IV
All of the above
Both Statement I and Statement II are true and Statement II is the correct explanation of Statement I
Both the statements are true but Statement II is not the correct explanation of Statement I.
Statement I is true, but Statement II is false
Statement I is false, but Statement II is true.
Both Statement I and Statement II are true and Statement II is the correct explanation of Statement I
Both the statements are true but Statement II is not the correct explanation of Statement I.
Statement I is true, but Statement II is false
Statement I is false, but Statement II is true.
(I), (II) and (Ill)
(I), (II) and (IV)
(II), (Ill) and (IV)
(I), (Ill) and (IV)
I and II
II and Ill
I and Ill
All of these
urea > arnmonium chloride > ammonium nitrate > ammonium nitrite
urea > ammonium nitrite > ammonium nitrate > ammonium chloride
urea > ammonium nitrite > ammonium chloride > ammonium nitrate
ammonium nitrate > ammonium nitrite > ammonium chloride > urea
I, II and Ill
II , III and IV
I , III and IV
All of these
Nitrogeneous fertilizer
Phosphatic fertilizer
Potash fertilizer
Natural fertilizer
putting `NPK` manure
Putting farmyard
Growing leguminous crops and phoughing it
Applying slurry manure obtained from gobar gas plants
`CaCN_2`
`NH_4NO_3`
`HNO_3`
`NH_2CONH_2`
vigorous vegetative growth
early flowering
early fruiting
growth retardation clue to toxity of `NH_3`
Ammonium sulphate
urea
Nitrolium
Calciurn cyanamide
control the acidity of soil
increases the alkalinty of soil
make the soil more porous
restore nitrates of the soil
Sodium `(Na)`
Potassium `(K)`
Calcium `(Ca)`
magnesium `(Mg)`
`Ca(CN)_2`
`CaCN_2`
`NH_4 NO_3`
Urea
Urea
Ammonium cyanide
Ammonium carbonate
Ammonium nitrate
Nitrogen and limestone
calcium carbide and nitrogen
calcium carbide carbon
None of the above
`K_2SO_4 * Al_2 (SO_4)_3 * 24H_2O`
`CaCN_2`
`Ca (H_2PO_4)_2 * H_2O +2 (CaSO_4*2H_2O)`
both (b) and (c).
only ammonia
only carbon dioxide
arnmonia and carbon dioxide
None of the above
I and II
II and Ill
I and Ill
All of these
ammonium
nitrate
nitrite
amide
Urea
Compost
Nitrates
Ammonium sulphate
only II
I and II
II and III
All of these
I and II
II , III and IV
I , II and III
I , III and IV
vigyan urea
potash fertilizer
mixed fertilizer
nitrogeneous fertilizer
calcium carbonate with phosphoric acid
calcium phosphate with hydrochloric acid
calcium phosphate with ortho phosphoric acid
bones with gypsum
Urea
`CAN`
`NH_4NO_3`
`CaNO_3`
`KO_2`
`K_2O`
`K`
`K_2O_2`
Mustard
Rice
Gram
Cotton
Galena - Lead sulphide
Blue vitriol - Copper sulphate
Plaster of paris - calcium sulphate hemihydrate
Calomel - Mercurous chloride
zinc in brass and tin in bronze
chromium in brass and nickel in bronze
Nickel in brass and tin in bronze
Iron in brass and nickel in bronze
Sulphur based
Phosphorus based
Silicon based
Iron based
Both Statement I and Statement II are true and Statement II is the correct explanation of Statement I
Both the statements are true but Statement II is not the correct explanation of Statement I.
Statement I is true, but Statement II is false
Statement I is false, but Statement II is true.
List I | List II | ||
---|---|---|---|
(A) | Mercuric chloride | (1) | `K_2Cr_2O_7` |
(B) | Mercurous chloride | (2) | `HgCl_2` |
(C) | Potassium chromate | (3) | `K_2Cr_2O_4` |
(D) | Potassium dichromate | (4) | `Hg_2Cl_2` |
`A →4 , B → 2, C → 3 , D → 1`
`A → 4 , B → 2 , C → 1 , D → 3`
`A → 2 , B → 3 , C → 1 , D → 4`
`A → 2 , B → 4 , C → 3 , D → 1`