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
The heart is the key organ for blood circulation and the double circulation is an efficient way of circulation as it provides an effective way of... View Article
Natural Gas is mainly extracted from the petroleum deposits deep beneath the earth. In fact, it occurs just above the layer of crude oil, as... View Article
When all the parts of each whorl of a flower such as petals, are in similar shape and sizes, then such flowers are called regular flowers. When... View Article
Answer: (b) 21% The diseases that are transmitted from one person to another are called communicable disease. Water borne communicable diseases... View Article
(a) Semipermeable membrane: It is a biological membrane, which functions by permitting the movements of certain molecules or ions to pass through... View Article
