What is formalin - write its use.

What is urotropine ? Give its use.

What is Formalin solution?

What is a thin prism? Write its deviation expression.

What is morphine?Give its use and abuse?

The pH of a salt used to make tasty and cripsy pakoras is 14. Identify the salt and write a chemical equation for its formation. List it's two uses.

What is test cross ? Write its significance.

What is mischmetall? Give its one use.

What is an aqua regia ? Give its one use.

What is a NAND gate? Write its circuit symbol and truth table for two inputs.