Question

Select the correct ☑ option:
1. In it's outermost shell, a metal cannot have
(a) 1 electron
(b) 2 electrons
(c) 3 electrons
(d) 4 electrons

2. Haematiteb is an ore of:
(a) aluminium
(b) iron
(c) copper
(d) zinc

3. Sodium on reacting with water forms
(a) sodium hydroxide and hydrogen gas.
(b) sodium hydroxide and oxygen gas.
(c) sodium hydride and oxygen gas.
(d) sodium chloride and hydrogen gas.

4. Aluminium is more reactive than
(a) gold
(b) potassium
(c) sodium
(d) calcium

5. Which of the following metals is found in the free state?
(a) Sodium
(b) Platinum
(c) Iron
(d) Aluminium​

Answer 1

Answer:

1-D

2-B

3-A

4-B

5-B

Explanation:

1-D

2-B

3-A

4-B

5-B