Chemistry The most abundant metal in the Earth’s crust is Aluminium Iron Zinc Copper Aluminium Iron Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Galvanising Hot dipping Tinning Electroplating Galvanising Hot dipping Tinning Electroplating ANSWER DOWNLOAD EXAMIANS APP
Chemistry The quality of petrol is expressed in terms of Added unlead compounds Gold number Octane number Cetane number Added unlead compounds Gold number Octane number Cetane number ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver, an alloy, does not contain the metal Zinc Nickel Silver Copper Zinc Nickel Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element which is used for vulcanizing rubber Phosphorus Sulphur Bromine Silicon Phosphorus Sulphur Bromine Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? Dust particles Photochemical smog NO2 SO2 Dust particles Photochemical smog NO2 SO2 ANSWER DOWNLOAD EXAMIANS APP
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