Chemistry Gobar gas contains mainly : Methane Propylene Acetylene Ethylene Methane Propylene Acetylene Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Magnesium Sulphur Phosphorous Silicon Magnesium Sulphur Phosphorous Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Latin word formica means ant. The name formic acid is derived from this Latin word because ants are attracted by the odour of this acid this acid, in ancient times, was used to eliminate ant-hills this corrosive acid is secreted by ants to drive away their enemies this acid was first obtained by the distillation of ants ants are attracted by the odour of this acid this acid, in ancient times, was used to eliminate ant-hills this corrosive acid is secreted by ants to drive away their enemies this acid was first obtained by the distillation of ants ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 4.84 x 1017 1.568 x 103 6.023 x 1019 6.023 x 1023 4.84 x 1017 1.568 x 103 6.023 x 1019 6.023 x 1023 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 500 50 200 100 500 50 200 100 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air is said to be saturated when : Its thickness is maximum It blows over the barren land It contains maximum content of water vapour Its pressure is minimum Its thickness is maximum It blows over the barren land It contains maximum content of water vapour Its pressure is minimum ANSWER DOWNLOAD EXAMIANS APP
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