More पर्यायवाची और लोकोक्तियाँ Questions
Who developed atom bomb ?
- When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is-
Black lung disease occurs in people working in
The nucleus of an atom consists of-
Who developed Hydrogen Bomb?
Which mineral is the ore Of aluminium?
What happens to the weight of Iron, when it rusts?
- Which of the following is a super-cooled liquid?
Water gas is the mixture of
Dry powder fire extinguishers contain
