Question 04.
Which of the following salts does not contain water of crystallization?
(a) Blue vitriol
(b) Baking soda
(c) Washing soda
(d) Gypsum

Q.

Which of the following salts does not contain water of crystallization?
(a) Blue vitriol
(b) Baking soda
(c) Washing soda
(d) Gypsum

Q. Substance A is yellowish-white in colour and releases chlorine gas on reaction with dilute hydrochloric acid. The substance A is _______.

Q. Consider the following statements.
a. Baking soda is an acidic salt whereas washing soda is a basic salt.
b. The aqueous solution of common salt does not change the colour of either red litmus solution or blue litmus solution.
c. Amla tastes sour whereas soap solution is bitter in taste.
d. The water extract of spinach does not change the colour of blue litmus solution.
Which of the statements are correct?