Which of the alkali metal chloride is expected to have highest m.p. ?

1. LiCl

2. NaCl

3. KCl

4. RbCl

Concept Questions :-

Physical Properties & Characteristics
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Baking soda or baking powder is:

(a) washing soda

(b) caustic soda

(c) soda ash

(d) sodium bicarbonate

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The element which does not dissolve in caustic soda is:

(a) silicon

(b) aluminium

(c) zinc

(d) cadmium

Concept Questions :-

Chemical Properties
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The principal products obtained on heating iodine with concentrated caustic soda solution are:

(a) NaOI + NaI

(b) NaIO3 + Nal

(c) NaOI + NaIO3 + NaI

(d) NaIO4 + NaI

Concept Questions :-

Chemical Properties
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Sodium carbonate is manufactured by Solvay process. The products those are recycled are:

(a) CO2 and NH3 

(b) CO2 and NH4Cl

(c) NaCl and CaO

(d) CaCl2 and CaO

Concept Questions :-

Some Important Compounds of Na
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Washing soda is:

(a)Na2CO3

(b) Na2CO3.H2O

(c) Na2CO3.7H2O

(d) Na2CO3.10H2O

Concept Questions :-

Some Important Compounds of Ca
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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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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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