Chemistry Hard steel contains 0.5 to 1.5 per cent carbon 0.01 to 0.04 per cent carbon 2 to 5 per cent carbon 0.1 to 0.4 per cent carbon 0.5 to 1.5 per cent carbon 0.01 to 0.04 per cent carbon 2 to 5 per cent carbon 0.1 to 0.4 per cent carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical bahaviour of an atom depends upon The number of neutrons in the nucleus The number of nucleons in the nucleus The number of protons in its nucleus The number of electrons orbiting around the nucleus The number of neutrons in the nucleus The number of nucleons in the nucleus The number of protons in its nucleus The number of electrons orbiting around the nucleus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Exothermic reaction Physical change Endothermic reaction Photochemical reaction Exothermic reaction Physical change Endothermic reaction Photochemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Carbon monoxide Sulphur dioxide Carbon dioxide Nitrous oxide Carbon monoxide Sulphur dioxide Carbon dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Limestone is a raw material used by which industry? Cement Aluminium Petrochemicals Fertilizers Cement Aluminium Petrochemicals Fertilizers ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Sodium Hydrogen Lithium Helium Sodium Hydrogen Lithium Helium ANSWER DOWNLOAD EXAMIANS APP
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