Chemistry Combustion of a candle is a/an Photochemical reaction Exothermic reaction Physical change Endothermic reaction Photochemical reaction Exothermic reaction Physical change Endothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Marsh gas Hydrogen Carbon Dioxide Carbon Monoxide Marsh gas Hydrogen Carbon Dioxide Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statements is not correct? Vulcanisation of rubber makes it Withstand higher temperatures Chemical resistant Strong and hard Soft and flexible Withstand higher temperatures Chemical resistant Strong and hard Soft and flexible ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Magnesium Potassium Sodium Iron Magnesium Potassium Sodium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Silicon Tin Thallium Caesium Silicon Tin Thallium Caesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Bromine Carbon Phosphorous Sulphur Bromine Carbon Phosphorous Sulphur ANSWER DOWNLOAD EXAMIANS APP
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