Bleaching Powder

Q. Write the chemical formula of bleaching powder.

Q. $CaOC{l}_2$ is the product of the reaction between calcium hydroxide and ___ and is commonly called as ___.

1. Chlorine and bleaching powder.
2. Fluorine and talcum powder
3. Hydrogen and Gunpowder
4. Nitrogen and lime powder

Q. is the chemical formula of bleaching powder.

1. ${\text{Ca(NO}}_3{)}_2$
2. ${\text{Ca(OH)}}_2$
3. ${\text{CaOCl}}_2$
4. ${\text{CaCO}}_3$
5. $\text{CaO}$
6. ${\text{CaCl}}_2$

Q. Which of the following compounds is used to cure acidity?

1. Calcium oxychloride
2. Sodium sulphate
3. Sodium bicarbonate
4. Sodium chloride

Q. Write the chemical name of bleaching powder? How it is prepared?

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

1. baking soda
2. common salt
3. washing soda
4. bleaching powder

Q. Question 32
Match the important chemicals given in Column I with the chemical formulae given in Column II.