5 g of hydrogen peroxide is present in 56 mL of solution. The solution
5 g of hydrogen peroxide is present in 56 mL of solution. The solution will correspond to Options (a) 10…
7 years ago
Hydrogen and Redox Reactions
Hardness of water due to presence of salts of
Hardness of water due to presence of salts of Options (a) Na⁺ and K⁺ (b) Ca²⁺ and Mg²⁺ (c) Ca²⁺…
7 years ago
Position of hydrogen in periodic table is such that it can be placed in
Position of hydrogen in periodic table is such that it can be placed in Options (a) both 1st and 17th…
7 years ago
In which of the following reaction, the hydrogen peroxide is a reducing agent?
In which of the following reaction, the hydrogen peroxide is a reducing agent? Options (a) 2HI + H₂O₂ → 2H₂O…
7 years ago
In the reaction of H₂O₂ with acidified KMnO₄
In the reaction of H₂O₂ with acidified KMnO₄ Options (a) H₂O₂ acts as a oxidising agent (b) H₂O₂ acts as…
7 years ago
In the softening of the water by passing it through cationic and anionic exchang
In the softening of the water by passing it through cationic and anionic exchange resins, when water is passed only…
7 years ago
A deutrium is
A deutrium is Options (a) an electron with a positive charge (b) a nucleus having two protons (c) a nucleus…
7 years ago
Which of the following statement about water is wrong?
Which of the following statement about water is wrong? Options (a) It can act as a base (b) It can…
7 years ago
The percentage strength (in g litre⁻¹) of 10 mL of 20 vol.solution of H₂O₂ is
The percentage strength (in g litre⁻¹) of 10 mL of 20 vol.solution of H₂O₂ is Options (a) 220.4 (b) 110.2…
7 years ago
What is the approximate percentage of H₂O₂ in a sample labelled as 10 V?
What is the approximate percentage of H₂O₂ in a sample labelled as 10 V? Options (a) 10% (b) 9% (c)…
7 years ago