Question

5.
(d) hydrochlor
The hydroxide of a metal which is commonly known as 'caustic soda' is
(a) sodium
(b) potassium
(c) magnesium
(d) calcium
3. Fill in the blanks :
MA​

Answer 1

Answer:

The hydroxide of a metal which is commonly known as 'caustic soda' is SODIUM.

Answer 2

ANSWER

Question 5

a. Answer the following questions:

i. Name a metal which is found abundantly in the Earth's crust.

ii. What is the difference between calcination and roasting?

iii. Name the process used for the enrichment of sulphide ore.

iv. Write the chemical formula of one main ore of iron and aluminium.

v. Write the constituents of the electrolyte for the extraction of aluminium.

Solution 5