Crop Production and Management — Science STD 8 — Question

In electrolysis, salt solution breaks up into positively and negatively? charged particles are called:

Lightning conductor is used:

Which of the following air pollutant reduces the oxygen-carrying capacity of blood to a large extent?

Amit puts some sand in his hands and tries to grip a glass tumbler. He then repeats the same by putting chalk power, mustard oil, and water on his palms respectively. For a proper grip, Amit should avoid gripping the tumbler with.

The monsoon season in our country is during the months

Select the pair of diseases that are caused by contaminated water.

We can distinguish between the musical sounds produced by different singers on the basis of the characteristic of sound called:

Which of the following gases is responsible for global warming?