Chemistry The purest form of water in nature is Sea water Lake water River water Rain water Sea water Lake water River water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The charcoal used to decolourise brown sugar solution is Animal charcoal Sugar charcoal Wood charcoal Coconut charcoal Animal charcoal Sugar charcoal Wood charcoal Coconut charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that is used in the manufacture of vanaspati ghee is : Oxygen Hydrogen Nitrogen Carbon dioxide Oxygen Hydrogen Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Carbon dioxide Nitrous oxide Sulphur dioxide Carbon monoxide Carbon dioxide Nitrous oxide Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Chromium Nickel Zinc Lead Chromium Nickel Zinc Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Generator Uninterrupted power supply (UPS) Power transmittor Battery Generator Uninterrupted power supply (UPS) Power transmittor Battery ANSWER DOWNLOAD EXAMIANS APP
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