More पर्यायवाची और लोकोक्तियाँ Questions
Who developed atom bomb ?
Petroleum is a mixture of-
What happens to the weight of Iron, when it rusts?
Manganite is an ore/mineral of
Black lung disease occurs in people working in
- When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is-
Dry powder fire extinguishers contain
Which mineral is the ore Of aluminium?
- Soap is prepared by boiling caustic soda with -
Which of the following is an iron ore ?
