Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Phosphorous Sulphur Bromine Carbon Phosphorous Sulphur Bromine Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a pure form of carbon Coal Graphite Gold Diamond Coal Graphite Gold Diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Roasting Calcination Refining Smelting Roasting Calcination Refining Smelting ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium carbide Calcium sulphide Calcium chloride Calcium carbonate Calcium carbide Calcium sulphide Calcium chloride Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Many people died in London in 1952 as result of air pollution producing Mist Sleet Fog Smog Mist Sleet Fog Smog ANSWER DOWNLOAD EXAMIANS APP
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