NCERT Question 4 - Chapter 4 Class 8 - Materials : Metals And Non-Metals

False

Non Metals do not react with acid

For example

If we take charcoal powder in a test tube and add hydrochloric acid in it.

No reaction will take place

True

Sodium is a very reactive metal.

Yes,sodium is a very reactive metal,it reacts with water,oxygen and other gases as well

Thus,Sodium is always stored in Kerosene

False

Zinc is a more reactive metal than copper

So,Zinc displaces copper.

Copper Sulphate+Zinc= Zinc Sulphate N Copper

False

Coal is a form of carbon which is a non metal and nonmetals are not ductile