First Modern internal combustion engine was invented

Ethane gas has a slightly _____ taste.

Which of the following isotope of hydrogen is radioactive in nature?

Acid rain is caused due to pollution of the atmosphere by:

Magnesium has atomic number as 12. Find out its valiancy.

_________is a formula for rust.

Which polymer is formed by the copolymerization of phenol and formaldehyde?

Which endocrine gland requires iodine to synthesize a particular hormone, whose deficiency may cause goitre disease?

The motion of an object under free fall is an example of which of the following?

When cathode rays strike a target of high atomic weight, they give rise to:

Anemometer is used to measure –