Did the paper in the glass get wet or not?

Oily paper is

YES/NO QUESTION To confirm the presence of vitamin C, the portion of the paper under the slice will get discoloured.

A comb run through one's dry hair attracts small bits of paper. Why? What happens if the hair is wet or if it is a rainy day? (Remember a paper does not conduct electricity.)

The leaf lamina usually consists of a midrib veins and veinlets arranged in the form of a network.to understand this venation let us do an activity.put a leaf under a white sheet of paper or a sheet In your notebook.hold the tip of a pencil flat and rub it on the paper Did you get any impression?

What is the average number of glasses of water that you drink per day in a week? How did you find the average?

What happens to the water in wet clothes then kept in sunlight ? Explain.

Let us assume that you are on the moon. If you try to focus sunlight on a paper using magnifying glass, does the paper catch fire? Or not Why?

Padma took a little sodium hydroxide in a beaker and dipped a red litmus paper into it. She observed red litmus paper turned blue. She took dilute hydrochloric acid in the same beaker and dipped a blue litmus paper into it. The blue litmus paper did not turn red. Why ?

If a white sheet of paper is stained with oil, the paper turns transparent. Why ?

(a) A comb run through one’s dry hair attracts small bits of paper. Why? What happens if the hair is wet or if it is a rainy day? (Remember, a paper does not conduct electricity.) (b) Ordinary rubber is an insulator. But special rubber tyres of aircraft are made slightly conducting. Why is this necessary? (c) Vehicles carrying inflammable materials usually have metallic ropes touching the ground during motion. Why? (d) A bird perches on a bare high power line, and nothing happens to the bird. A man standing on the ground touches the same line and gets a fatal shock. Why?