Calcium burns in nitrogen and produces a compound which dissolves in sufficient water to produce a gas (A) and an alkaline solution. The alkaline solution on exposure to air produces a solid layer of (B) on the surface. Identify the compounds A and B.

Calcium burns in nitrogen to produce a white powder which dissolves in sufficient water to produce a gas (A) and alkaline solution. The solution on exposure to air produce a thin solid layer of (B) on the surface. Identity the compound (A) and (B)

Calcium burns in nitrogen to produce a white powder which dissolves in sufficient water to produce a gas (A) and alkaline solution. The solution on exposure to air produce a thin solid layer of (B) on the surface. Indentity the compound (A) and (B)

An element (A) of group 2 gives brick red colour in the Bunsen flame. (A) burns in nitrogen atmosphere to give (B) , which gets hydrolysed to produce gas (C ) and an alkaline solution (D) . The solution (D) on exposure to air produces a thin solid layer (E) on the surface. Identify (D) .

NAME: A gas which dissolves in water to give alkaline solution .

Which one of the following salts will produce an alkaline solution while dissolving in water ?

Zinc dissolves in concentrated NaOH solution to produce dihydrogen as well as dioxygen gas.

Compound which on heating produces paramagnetic acidic gas?

Compound which on heating produces paramagnetic acidic gas?

Compound which on heating produces paramagnetic acidic gas?