The cell used for the electrolysis of fused NaCl is
Options
(a) Solvay cell (b) Down’s cell (c) Nelson cell (d) Castner cell
Correct Answer:
Down’s cell
Explanation:
Cell used for the electrolysis […]
Salt cake is
Options
(a) NaHSO₄ (b) Na₂SO₄ (c) Na₂S (d) Na₂CO₃
Correct Answer:
Na₂SO₄
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Which of the following does not participate in Solvey’s process for the formation of Na₂CO₃
Options
(a) NaCl (b) CO₂ (c) H₂SO₄ (d) NH₃
Correct Answer:
H₂SO₄
Explanation:
No explanation available. Be the […]
Among the following the compound that is readily soluble in water is
Options
(a) BeSO₄ (b) CaSO₄ (c) SrSO₄ (d) BaSO₄
Correct Answer:
BeSO₄
Explanation:
No explanation available. Be the first to write […]
Why do calcium ions make water hard but sodium ions do not
Options
(a) Calcium forms insoluble compounds with stearate ions present in soap (b) Sodium forms insoluble compounds with stearate ions present […]
Which is insoluble in water
Options
(a) Sodium carbonate (b) Sodium bicarbonate (c) Calcium carbonate (d) Calcium bicarbonate
Correct Answer:
Calcium carbonate
Explanation:
No explanation available. Be the first to write the explanation […]
Washing soda has the formula
Options
(a) Na₂CO₃.7H₂O (b) Na₂CO₃.10H₂O (c) Na₂CO₃.H₂O (d) Na₂CO₃
Correct Answer:
Na₂CO₃
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Na₂CO₃ is manufactured by solvay process, the products that are recycled are
Options
(a) CO₂ and NH₄Cl (b) CO₂ and NH₃ (c) NaCl and CaO (d) CaCl₂and CaO
Correct Answer:
CO₂ and NH₃
Explanation: […]
What is the formula of bleaching powder
Options
(a) CaO(OCl) (b) Ca(OCl)Cl (c) Ca(OCl)₂ (d) Ca(OCl)₂Cl
Correct Answer:
Ca(OCl)Cl
Explanation:
Main Active Ingredients for the commercial products called Bleaching Powder, chlorine powder (or) chlorinated […]
Due to reference in biological role, Ca²⁺ ions are important in
Options
(a) Defence mechanism (b) Triggering the contraction of muscles (c) Formation of ATP (d) Generating right electrical potential across cell membrane
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