You are given the solution of lead nitrate . In order to obtain a yellow precipitate you should mix with it a solution of?

Cu + xHNO3-------> cu(No3)2 + yNO2+ 2H2O
The value of x and y

Which of the following statement is true fore acids ?

A solution turn red litums to blue it's pH likely to be

Number of water mole in Blue vitriol ?

The pH of acid rain is approximately?

Medicine used in indigestion

Number of water molecules require to produce two Glucose molecule

Valency of Al atom is

Oxalic acid is formed in?

In excretory system of humans being some substance in the initial filtrate such as glucose , amino acid,salt and water are selectively reabsorbed in

A few drop of iodine solution were added to rice water the solution turned blue black in colour this indicates that the rice water contain