Which type of the following materials is used for making the front glass (wind screen) of a car?

An oiled paper act as a _______ material.

Which of the following floats on water ? (Select all applicable options)

pick the odd one out

sand and water is a soluble solution .

Which of the following substance is opaque?

Take two samples, one is oil and other is water. Mix the two. You observe that

Materials that cannot be compressed easily are called

Water plays an important role in the functioning of our body because it

Which of the following gets reddish brown in colour on exposure to air

What makes the basis of sorting materials into groups?

The material that sinks in water

Which of the following has lustre

Grouping things with similar properties together is called

If opacity is the distinct feature of wood, then what is glass known for in the same way?

If the molecules are closely packed then the matter is in its ______ state.

It cannot be made from wood -

Nitrogen gas dissolved in water helps fishes to breathe .

Which one is compressible ?

Shiny appearance is termed as ______________ .

materials that allow the transfer of heat and electricity are called:-

choose the symbol for:- oxygen

which is the hardest known substance on Earth:-

Why are paper bags preferred over plastic bags?