Take some finely powdered salt (not crystals) and keep it in two different jars.Which shape does the powdered salt take?

Powdered salt is a

Which reaction does take place with oxygen ?

Why are finely powdered substances more effective adsorbents than their non powdered crystal forms ?

What shape does the water take if it spill on the floor ?

The number of different signals which can be given from 7 different coloured sheets, taking one or more at a time is

Can we use distillation process for separating mixture of powdered salt and camphor?

Bleaching powder is a mixed salt of

Take a glass jar and fill with soil. Show a bean seed near the wall of the jar. After 4 - 5 days you will notice seed germination. Keep the jar under the sun. Observe how root and shoot grows. Then tilt the glass jar and keep the plant horizontally. Observe the direction of the root and shoot growth for more than a week iii) Do you find any differences in the shape of epidermal cells?

The acid which forms two series of salts is :