Question

Magnesium is a metal. When hydrochloric acid was added to a test tube
having magnesium strip, some bubbles were observed rising towards the
the surface of the test tube.
a) Identify the gas. How can it be tested?
b) Write the chemical reaction between magnesium
Metal and hydrochloric acid.
Name the metal which will fit each of the following descriptions:-
a) A metal that is used for galvanizing iron.
b) A metal that floats on water reacts with it and forms an alkali.
c) A metal that burns in oxygen with a bright light.
4. Correct the following statements:
a) Bromine is a liquid metal. b) Metals do not react with dilute acid.
c) When we dissolve sulphur dioxide gas in the water we get sulphuric acid.
5. What is displacement reaction? Give one example.
6. List two differences in the chemical properties of metals and non-metals.

Answer 1

Answer:

hydrogen is the gas evolved

zinc

sulphur