Give Two Examples for Each of the Following: Non-metals

One Line Answer

Carbon, sulphur, oxygen.

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Chapter 3: Elements, Compounds and Mixtures - Exercise 3 (A) [Page 24]

Chapter 3 Elements, Compounds and Mixtures
Exercise 3 (A) | Q 2.2 | Page 24

State the number of atoms of H₂SO₄

Give one use of the following substance:
Coal

Answer the following question:
Why are copper and aluminium used to make electric wires?

Select the correct answer from the choice given below.
An impure substance

Who are my companions?

Select the correct answer to the statement given below:

A compound containing carbon, oxygen and calcium.

Give a reason for the following statement :

Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.

Atoms: Fundamental particle of an element::______ : Fundamental particles of a compound.

Assertion: Air is a mixture of elements only.

Reason: Only nitrogen, oxygen and neon gases exist in air.

Match the following: