There are 10 boys and 15 girls in the commerce class.

What is the chemical formula of Urea, the best nitrogenous fertilizer?

What is the chemical name of bleaching powder?

Which statement about carbon credits is incorrect?

Which of the following is acidic in nature?

Nitrous Oxide (N2O) is also known as –

What is the more common name for solid carbon dioxide?

Identify the strong acid from the list below:

The _________ property of the element is a whole number.

Which gas is most abundant in the Earth's atmosphere?

Which element is denoted by the atomic number 28?