Questions

What is the pH value of human blood?

Which of the following is NOT a radioactive element?

______ is a strong drug that doctors give to people to make them calm or help them sleep.

In the following questions, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Children need to be taught the importance of hygiene early on so that it becomes a _____. Children are the most _____ to hygiene-related disorders like skin issues, rashes, infections, wounds, etc. Teach them early on about what to _____. Teach them that taking a few _____ measures to prevent infections and diseases is _____.

Teach them that taking a few _____ measures

CuO + H2 ---> Cu + H2O. This equation is an example of

There are 15 protons and 22 neutrons in the nucleus of an element. What is its mass number?

How many groups and periods are present in the Modern Periodic Table?

Economic reasoning is based on the premise that