Chemistry The main active constituent of tea and coffee is caffeine chlorophyll aspirin nicotine caffeine chlorophyll aspirin nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The National Chemical Laboratory (India) is located in Mumbai Hyderabad Pune Bangaluru Mumbai Hyderabad Pune Bangaluru ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as best adsorbent? Charcoal Activated Charcoal Activated Coconut Charcoal Carbon black Charcoal Activated Charcoal Activated Coconut Charcoal Carbon black ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals form an amalgam with other metals ? Tin Lead Zinc Mercury Tin Lead Zinc Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure Barium Lead Bromine Magnesium Barium Lead Bromine Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water is not effective in extinguishing a fire caused by petrol because Water and petrol react chemically Water and petrol are miscible with each other Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down Water and petrol react chemically Water and petrol are miscible with each other Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down ANSWER DOWNLOAD EXAMIANS APP
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