Chemistry Which of the following is not a precious/semi-precious stone? Sapphire Emerald Pearl Ruby Sapphire Emerald Pearl Ruby ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Sodium dihydrogen phosphate Phosphoric acid Disodium hydrogen phosphate Sodium phosphate Sodium dihydrogen phosphate Phosphoric acid Disodium hydrogen phosphate Sodium phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Silver Nichrome Copper Iron Silver Nichrome Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 6.3 3.2 8.3 5.6 6.3 3.2 8.3 5.6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Slugging Smelting Zone melting Leaching Slugging Smelting Zone melting Leaching ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Free radical Carbene Carbocation Carbanion Free radical Carbene Carbocation Carbanion ANSWER DOWNLOAD EXAMIANS APP