Question

In the following Questions, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following: (a) Both the Assertion and the Reason are correct and the Reason is the correct explanation of the Assertion. (b) The Assertion and the Reason are correct but the Reason is not the correct explanation of the Assertion. (c) Assertion is true but the Reason is false. (d) The statement of the Assertion is false but the Reason is true. Assertion: Al2O3, is an amphoteric oxide.Reason: Al2O3 reacts with acid as well as base to form salt and water. 1 point a b c d Nitrogen is a non-metal.Reason: Nitrogen has 5 valence electrons. 1 point a b c d Food cans are coated with tin and not with zinc because: 1 point
A. Zinc is less reactive than tin.
B. Zinc is more reactive than tin.
C. Zinc has a higher melting point than tin.
D. Zinc is costlier than tin.
Which of the following statements is false? 1 point
A. Carbon is the most malleable metal.
B. Copper is a good conductor of electricity.
C. Aluminium is a good conductor of heat.
D. Bromine is the only liquid non-metal.
When zinc reacts with dilute sulphuric acid, a salt is formed with the release of a gas. The gas produced during this puts off a burning candle with a pop sound. The gas evolved during this reaction is: 1 point
A. sulphur dioxide
B. oxygen
C. hydrogen
D. hydrogen sulphide​

Answer 1

1. B

2.A

3.D

Explanation:

Sorry but I haven't explanation but I sure this answer is correct.