when we put burning candle near the mouth of test tube consisting of sulphuric acid and pieces of magnesium metal why does it explode
Answers
Answered by
13
Answer:
When we put a burning candle near the mouth of the test tube consisting of sulfuric acid and pieces of magnesium metal, it explodes due to the presence of hydrogen gas. Magnesium and sulfuric acid react to give magnesium sulfate and hydrogen gas.
Answered by
12
Answer:
(i) Environmental aspects must be carefully looked into before building
huge dams.
(11) Most industries are concentrated around coal mines.
(1) Petroleum is referred to as “black gold”.
(iv) Quarrying can become a major environmental concern.
Distinguish between the followings.
(i) Conventional and non conventional sources of energy
(ii) Biogas and natural gas
(iii) Ferrous and nonferrous minerals
(iv) Metallic and nonmetallic minerals
Similar questions