Which of the following is not hygroscopic
Which of the following is not hygroscopic
Options
(a) CsCl (b) MgCl₂ (c) CaCl₂ (d) LiCl
Correct Answer:
CsCl
Explanation:
No explanation available. Be the first to write the explanation for this question […]
S and Some P Block Elements
Beryllium and aluminium exhibit many properties which are similar.
Beryllium and aluminium exhibit many properties which are similar. But, the two elements differ in
Options
(a) maximum covalency in compounds (b) exhibiting amphoteric nature in their oxides (c) forming covalent halides (d) […]
The stability of +1 oxidation state among Al, Ga, In, and TI increases
The stability of +1 oxidation state among Al, Ga, In, and TI increases in the sequence
Options
(a) Al< Ga < In < TI (b) TI < In < Ga < Al (c) […]
On heating which of the following releases CO₂ most easily
On heating which of the following releases CO₂ most easily
Options
(a) Na₂CO₃ (b) MgCO₃ (c) CaCO₃ (d) K₂CO₃
Correct Answer:
MgCO₃
Explanation:
No explanation available. Be the first to write the explanation […]
The function of ”Sodium pump” is a biological process operating in each
The function of ”Sodium pump” is a biological process operating in each and every cell of all animals.Which of the following biologically important ions is also a consituent of this pump:
Options
(a) […]
Solubility of the alkaline earth’s metal sulphates in water decreases in the
Solubility of the alkaline earth’s metal sulphates in water decreases in the sequence
Options
(a) Ca > Sr > Ba > Mg (b) Sr > Ca > Mg > Ba (c) Ba > […]
20.0 g of a magnesium carbonate sample decomposes on heating to give carbon dioxide
20.0 g of a magnesium carbonate sample decomposes on heating to give carbon dioxide and 8.0 g magnesium oxide. What will be the percentage purity of magnesium carbonate in the sample? (At.Wt.of Mg =24)
Identify the correct statement:
Identify the correct statement:
Options
(a) Elemental sodium can be prepared and isolated by electrolysing an aqueous solution of sodium chloride (b) Elemental sodium is a strong oxidising agent (c) Elemental sodium is […]
The product obtained on fusion of BaSO₄ and Na₂CO₃ is
The product obtained on fusion of BaSO₄ and Na₂CO₃ is
Options
(a) BaCO₃ (b) BaO (c) Ba(OH)₂ (d) BaHSO₄
Correct Answer:
BaCO₃
Explanation:
No explanation available. Be the first to write the explanation […]
The process associated with sodium carbonate manufacture is known as….process
The process associated with sodium carbonate manufacture is known as….process
Options
(a) Chamber (b) Haber (c) Le-Blanc (d) Castner
Correct Answer:
Le-Blanc
Explanation:
No explanation available. Be the first to write the explanation […]