Place A: Nagpur - The place where the session of Indian National Congress was held in 1920.
Place B: Dandi - The place where Gandhiji broke the salt law.
The water of crystallization is present in:
Juice of tamarind turns blue litmus to red. It is because of the presence of a chemical compound called:
The colour of the solution observed after about 1 hour of placing iron nails in copper sulphate solution is:
A hydrocarbon which does not belong to the same homologous series of carbon compounds is
Select from the following a statement which is not true about the burning of magnesium ribbon in air: