Many historians refer to the modem period as colonial because, under British rule, people were not having freedom, equality, or liberty. These... View Article
Equatorial regions location is around the equator in a band that covers about 6% of the Earth's surface. The tropical region lies very close to... View Article
The chemical name of bleaching powder is calcium hypochlorite and chemical formula is Ca(ClO)2 Bleaching powder is synthesized by the action of... View Article
Given, d1 = 5.46 g/dm3 p1 = 2 bar T1 = 270C = (27 + 273) K = 300 K p2 = 1 bar T2 = 273 K d2 = ? The density (d2) of the gas at STP can be... View Article
After two half times 75% reaction is completed Hence, Half time = 50 minutes After three half times 87.5% reaction is complete Hence, 3 x... View Article
Aerated drinks contain carbon dioxide (gas) as solute and water (liquid) as solvent. It is not a pure substance while carbon dioxide is a... View Article
Balancing chemical equation refers to balancing the stoichiometric coefficients on the reactants and products side. This must be done as the... View Article
Kp does not change significantly with pressure The equilibrium constant does not change if there is a change in concentrations, volume, pressure,... View Article
Baking powder is a mixture of sodium hydrogen carbonate and a mild edible acid such as tartaric acid. Hence, the correct answer is option (c)... View Article
Propanoic acid when reacts with an excess amount of ammonia gives propanamide. Propanamide on further reacting with bromine and potassium... View Article
(a) When sulphur is heated in the presence of air, sulphur dioxide SO2 is formed. (i) Sulphur dioxide is a neutral gas and thus there is no... View Article
Answer: (B) Trigonal pyramid The shape of the ammonia molecules is Trigonal pyramid or Distorted Tetrahedral. Also, read: Hybridization of Ammonia... View Article