Chemistry Which gas does not form the part of atmosphere ? None of these Helium Nitrogen Chlorine None of these Helium Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is obtained from sea weeds ? Vanadium Iodine Argon Sulphur Vanadium Iodine Argon Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is known as the 'brown coal'? Lignite Coke Anthracite Bituminous Lignite Coke Anthracite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bridgmanite is A bridge on the river Thames Earth’s most abundant minera Name of a game Name of a music A bridge on the river Thames Earth’s most abundant minera Name of a game Name of a music ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns The heat required for combustion of petrol is very low The oxygen content of water is isolated by petrol and thus it helps in burning Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns The heat required for combustion of petrol is very low The oxygen content of water is isolated by petrol and thus it helps in burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nylon is made up of : Polypropylene Polyethylene Polyamide Polyester Polypropylene Polyethylene Polyamide Polyester ANSWER DOWNLOAD EXAMIANS APP
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