Chemistry Vulcanized rubber contains sulphur 0.02 10-15% 7-9% 3-5% 0.02 10-15% 7-9% 3-5% ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heating of a ore below its melting point in the absence of air is known as Refining Calcination Smelting Roasting Refining Calcination Smelting Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a common name for the substance which irritates lachrymal glands ? Laughing Gas Anaesthetic Gas Tear Gas Noble Gas Laughing Gas Anaesthetic Gas Tear Gas Noble Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following has greatest mass ? Electron Proton Hydrogen nucleus Neutron Electron Proton Hydrogen nucleus Neutron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 8, 8, 2 2, 10, 8 2, 8, 10 2, 6, 8, 4 2, 8, 8, 2 2, 10, 8 2, 8, 10 2, 6, 8, 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a Element Metal Mixture None of these Element Metal Mixture None of these ANSWER DOWNLOAD EXAMIANS APP
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