The valency of sodium is 1. The atomic number of sodium is 11 Electron configuration of sodium = 2, 8, 1 Therefore, there is only 1 electron... View Article
Sawdust is insoluble in water. They are the waste product of the wood work done such as sawing, planning, sanding, etc. They cannot be dissolved... View Article
Answer: (d.) all of above Turmeric, purple cabbage juice and litmus paper are the indicators that states if a substance is acidic or basic.... View Article
2Cl- -----> Cl2+2e- W = (E / 96500) x it 0.1 x 71 = (35.5 / 96500) x 3 x t We get, t = 6433.33 sec t = 107.22 min t = 110 min Therefore,... View Article
Sieving is a method in which fine particles are sieved through holes of the sieve while the bigger impurities remain on the sieve. Sieving is... View Article
Sodium chloride solution when added to lead nitrate solution, results in the formation of a precipitate of lead chloride and sodium nitrate. The... View Article
Clothes protect us from dust and harmful sunrays. It also protects us from natural heat, cold, dust and germs, natural calamities such as rain,... View Article