Which one of the following metal doesn’t react with cold as well
as hot water?

Food cans are coated with tin not with zinc because?

Although metals forms basic oxides, which of the following metals form an amphoteric oxide?

On brining moist blue litmus paper near nitrogen dioxide gas,

When copper oxide reacts with hydrochloric acid,

Reaction between X and Y, forms compound Z. X looses electron and Y gains electron. Which of the following properties is not shown by Z?

Silver articles become black on prolonged exposure to air. This due to the formation of ____

Although metals forms basic oxides, which of the following metals form an amphoteric oxide?

Name the tube which carry sperm in human body.

Which of the following hormone is responsible for the changes in male body after puberty?

Name the part of the male reproductive system which carries both sperms and urine.

What is function of epididymis?

Name the structure where spores are formed ?

________ accumulates due to which we feel tired.

Our muscle cells perform ____ respiration.

In case of proteins, they are converted into ________.

_____ is called as ‘energy currency’ of the cell.

Energy obtaining ratio of NADH2 TO FADH2 is _____.