If the vector sum of torques acting on a system is zero,

In which form is iron ore primarily found in nature?

_________is a formula for rust.

Diamond does not conduct electricity because of which of the following reason? 

Which of the following statement is/are true?

I. Atomic radius increases in moving from left to right along a period.

Which reagent is used to distinguish between aldehydes and ketones?

Which chemical compound is commonly known as Pearl Ash?

Kindly Study the following questions carefully and choose the right answer.

What happens to a liquid, when the vapour pressure equals the atmospheric pressure?

The percentage of nitrogen in urea is :

NaCl has which kind of bonds?