Chemistry Gunpowder consits of a mixture of Nitre, sulphur and charcoal TNT and charcoal Sand and TNT Sulphur, sand and charcoal Nitre, sulphur and charcoal TNT and charcoal Sand and TNT Sulphur, sand and charcoal 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. The paper ignites There is no reaction. There is a crackling sound There is a violent explosion. The paper ignites There is no reaction. There is a crackling sound ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents clean surfaces on the principle of Floatation Viscosity Surface tension Elasticity Floatation Viscosity Surface tension Elasticity ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called leaching magnetic separation levigation liquation leaching magnetic separation levigation liquation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 2 1 3 4 2 1 3 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to make light weight, but strong plastic ? Polyvinyl Chloride Nylon Methyl Methacrylate Polythene Polyvinyl Chloride Nylon Methyl Methacrylate Polythene ANSWER DOWNLOAD EXAMIANS APP
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