Copper is not a part of the alloy :

1. brass
2. bronze
3. steel
4. duralumin

Which of the following is not a mixture?

1. Sugar solution
2. Tap water
3. Milk
4. Distilled water

Identify the mixtures and compounds from the following list:

Air, water, sugar, salt, milk, tea, alcohol, honey, soil, glucose.

Select homogeneous and heterogeneous mixtures from the following:

Salt solution, petrol and water, sand and charcoal, alcohol and water, air dissolved in water, air, sea water, fruit juices, mist, brass.