What is the formula of bleaching powder
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:…
8 years ago
Questions
Due to reference in biological role, Ca²⁺ ions are important in
Due to reference in biological role, Ca²⁺ ions are important in Options (a) Defence mechanism (b) Triggering the contraction of…
8 years ago
Which of the following compound react with NaHCO3 solution to give sodium salt
Which of the following compound react with NaHCO3 solution to give sodium salt and carbon dioxide Options (a) Phenol (b)…
8 years ago
Calcium is obtained by the
Calcium is obtained by the Options (a) electrolysis of solution of calcium chloride in water (b) electrolysis of molten anhydrous…
8 years ago
Identify the feasible reaction among the following
Identify the feasible reaction among the following Options (a) K₂CO₃ →K₂O + CO₂ (b) Na₂CO₃ → Na₂O + CO₂ (c)…
8 years ago
Which of the following does not decompose on heating
Which of the following does not decompose on heating Options (a) MgCO₃ (b) Na₂CO₃ (c) Li₂CO₃ (d) Ca(HCO₃)₂ Correct Answer:…
8 years ago
The case of adsorption of the hydrated alkali metal ions on an ion-exchange
The case of adsorption of the hydrated alkali metal ions on an ion-exchange resins follows the order: Options (a) Li⁺…
8 years ago
Which one of the alkali metals, forms only, the normal oxide, M₂O on heating
Which one of the alkali metals, forms only, the normal oxide, M₂O on heating in air Options (a) Rb (b)…
8 years ago
Which one of the following is present as an active ingredient in bleaching
Which one of the following is present as an active ingredient in bleaching powder for bleaching action Options (a) CaOCl₂…
8 years ago
Which of the following compounds is a peroxide
Which of the following compounds is a peroxide Options (a) KO₂ (b) BaO₂ (c) MnO₂ (d) NO₂ Correct Answer: BaO₂Explanation:No…
8 years ago