A neutral white sodium salt (A) on heating liberates a gas (B), leaving a highly alkaline reside (C ). Thegas (B) is colourless, odourless and turns lime water milky. (A) is

A neutral white sodium salt (A) on heating liberates a gas (B), leaving a highly alkaline residue (C). The gas (B) is colourless, odourless and turns lime water milky. (A) is

The characteristics of some gases are given . Explain how they cause pollution. (a) A colourless , odourless gas which turns lime water milky. (b) A colourless , pungent gas which turns lime water milky.

Observe the table: Which gas turns lime water to milky white?

Identify (A) to (D) in following steps and give chemical equations: (a) A white amorphous powder (A) on strongly heating gives a colourless noncombustible gas (B) and solid (C). (b) The gas (B) turns lime water milky and disappears with the passage of excess of gas. (c) The solution of (C) in dilute HCI gives a white precipitate with an aqueous solution of KdFeCN). (d). The solution of (A) gives white ppt. (D) on passing H_(2)S in presence of NH_(4) OH.

On heating an organic compound with dry CuO, a gas is liberated which turns the lime water milky . The gas is ______.