Given below are two statements:
Statement I: On passing \( \mathrm{HCl_{(g)}} \) through a saturated solution of \( \mathrm{BaCl_2} \) at room temperature white turbidity appears.
Statement II: When \( \mathrm{HCl} \) gas is passed through a saturated solution of \( \mathrm{NaCl} \), sodium chloride is precipitated due to common ion effect.
In the light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements:
Statement (I): The gas liberated on warming a salt with dil \( \mathrm{H_2SO_4} \), turns a piece of paper dipped in lead acetate into black, it is a confirmatory test for sulphide ion.
Statement (II): In statement-I the colour of paper turns black because of formation of lead sulphite. In the light of the above statements, choose the most appropriate answer from the options given below:
