Which one of the following reactions is an example of decomposition reaction?
CH₄(g) + 2O₂(g) → CO₂(g) + 2H₂O(g)
2AgCl(s) →[Sunlight]→ 2Ag(s) + Cl₂(g)
CuO + H₂ →[Heat]→ Cu + H₂O
FeS + CuSO₄(aq) → FeSO₄(aq) + Cu(s)
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy