Chemistry Which one of the following acids is used in battery ? Hydrofluoric acid Sulphuric acid Sulphurous acid Hydrochloric acid Hydrofluoric acid Sulphuric acid Sulphurous acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 6.023 x 1023 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethanol containing 5% water is known as Power alcohol Rectified spirit Denatured spirit Methylated alcohol Power alcohol Rectified spirit Denatured spirit Methylated alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry In vulcanisation process, rubber can be hardened by adding Silicon Sulphur Alcohol Nitrogen Silicon Sulphur Alcohol Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Physical change Electrochemical change Electrical change None of these Physical change Electrochemical change Electrical change None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal extracted from Bauxite is : Copper Manganese Silver Aluminum Copper Manganese Silver Aluminum ANSWER DOWNLOAD EXAMIANS APP