Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Chemistry Basic Concepts of Chemistry
Which of the following statements indicates that law of multiple proportion is being followed.
1
Sample of carbon dioxide taken from any source will always have carbon and oxygen in the ratio 1 ∶ 2.
2
Carbon forms two oxides namely CO2 and CO, where masses of oxygen which combine with fixed mass of carbon are in the simple ratio 2 ∶ 1.
3
When magnesium burns in oxygen, the amount of magnesium taken for the reaction is equal to the amount of magnesium in magnesium oxide formed.
4
More than one of the above
5
None of the above