Is matter Around us pure - 02

Front

Why is air regarded as a mixture?

Back

Its compositions may vary.

Front

In which of the following constituents are present in the fixed ratio?

Back

Compound.

Front

Brass is an example of?

Back

Homogeneous mixture.

Front

When two liquids do not mix, they form two separate layers and are known as

Back

Immiscible liquids

Front

Brass is an alloy. It is a mixture of:

Back

30% Zinc 70% copper

Front

What is an element?

Back

A pure substance that cannot be broken down.

Front

What are atoms composed of?

Back

Protons, neutrons, and electrons.

Front

How many H atoms are in water?

Back

2

Front

Blood and sea water are

Back

Both are mixtures

Front

Define a pure substance?

Back

A pure substance consists of a single type of particles and constant composition.