Chemistry Which one of the following is a greenhouse gas ? Helium Carbon dioxide Sulphur dioxide Nitrogen Helium Carbon dioxide Sulphur dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conversion of chemical energy into electrical energy occurs in Electric heaters Atomic bombs Dynamo A battery Electric heaters Atomic bombs Dynamo A battery ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling and filtration Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling and filtration Chlorination ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? Energy in always released Energy is always absorbed More energy is released than is absorbed Energy is neither released nor absorbed Energy in always released Energy is always absorbed More energy is released than is absorbed Energy is neither released nor absorbed ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main chemical constituent of clay is aluminium borosilicate aluminium silicate silicon oxide zeolites aluminium borosilicate aluminium silicate silicon oxide zeolites ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is a violent explosion. There is no reaction. There is a crackling sound The paper ignites There is a violent explosion. There is no reaction. There is a crackling sound The paper ignites ANSWER DOWNLOAD EXAMIANS APP
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