Stobach waterfall  is a beautiful waterfall located

Whitening of hair is caused by the deficiency of _________?

Which of the following metals is the lightest? 

Common name of Sodium Carbonate is?

Which of the following metal has the highest Melting point?

Which of the following rock is not sedimentary rock?

Which material is commonly used for making casts and sculptures?

Pentane has _____ structural isomers.

Match the following Functional group with their respective Chemical name.

Itai-Itai disease is caused by exposure to which metal?

Which of the following glass absorbs ultraviolet rays which are harmful for the eyes?