NaOH is prepared by the electrolysis of:

(a) aqueous solution of sodium chloride with platinum electrodes

(b) molten sodium chloride with graphite anode and iron cathodes

(c) sodium carbonate with platinum electrodes

(d) sodium carbonate with nickel electrodes

Concept Questions :-

Some Important Compounds of Na
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Fusion of AgCl with Na2CO3 gives:

(a) Ag2CO3

(b) silver carbide

(c) Ag

(d) Ag2

Concept Questions :-

Chemical Properties
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Which of the following acts as reducing agent as well as oxidising agent?

(a) Na2O

(b) Na2O2

(c) NaNO3

(d) KNO3

Concept Questions :-

Chemical Properties
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Nitrates of I group (except LiNO3) on heating give:

(a) O2

(b) N2

(c) NO

(d) NO2

Concept Questions :-

Chemical Properties
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Which is more basic in character?

(a) RbOH

(b) KOH

(c) LiOH

(d) NaOH

Concept Questions :-

Physical Properties & Characteristics
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Indian saltpetre is:

(a) KNO3

(b) NaNO3

(c) NaCl

(d) Na2CO3

Concept Questions :-

Some Important Compounds of Na
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Sodium carbonate on heating gives:

1. water vapours

2. carbon dioxide

3. carbon dioxide + water vapour

4. none of the above

Concept Questions :-

Some Important Compounds of Na
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Microcosmic salt has the formula:

(a) Na2HPO4.2H2O

(b) (NH4)2HPO4.2H2O

(C) Na(NH4)HPO4.4H2O

(d) none of these

Concept Questions :-

Physical Properties & Characteristics
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The alkali metal which acts as a nutrient for plants is:

(a) Na

(b) K

(c) Li

(d) Rb

Concept Questions :-

Some Important Compounds of Na
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When sulphur is heated with NaOH(aq) the compounds formed are:

(a) Na2S + H2O

(b) Na2SO3 + H2O

(c) Na2S + Na2S2O3 + H2O

(d) Na2S2O3 + H2O

Concept Questions :-

Some Important Compounds of Na
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Difficulty Level: