Related Practice Questions :

NO2 is obtained by heating:

(a) CsNO3

(b) KNO3

(c) LiNO3

(d) NaNO3

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Excess of dilute sodium hydroxide solution is gradually added with shaking to an aqueous solution of zinc sulphate. What would you observe?

(a) A light blue precipitate is first formed which finally dissolves to give a deep blue solution

(b) A white precipitate appears which dissolves to give a colourless solution.

(c) A white precipitation is formed which does not dissolve 

(d) No change takes place and the solution remains clear

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Which has lowest thermal stability?

(a) Li2CO3

(b) Na2CO3

(c) K2CO3

(d) Rb2CO3

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Which alkali metal reacts with nitrogen to form nitride?

(a) Li

(b) Na

(c) Cs

(d) None of the above

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The most basic oxide among the following is:

(a) Na2O

(b) BaO

(c) As2O3

(d) Al2O3

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