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The slope of common tangents of hyperbola
`x^2/9 - y^2/16 =1` and `y^2/9 - x^2/16 =1` is
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Which of the following pairs of ions cannot
be separated by `H_2S` in dilute `HCl`?
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What volume of `0.10M` sodium formate solution should be added to `50ml` of `0.05M` formic acid to p
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A bomb of mass `9\ kg` explodes into the fragments of masses `3\ kg` and `6\ kg`. The velocity of ma
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A sphere `S_1` impings directly on an equal sphere `S_2` at rest. If the coefficient of restitution
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X-rays are diffracted from a crystal of lattice
plane spacing `2 Å`. The maximum wavelength
that
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