Chemistry Why is water not suitable for putting out a petrol fire ? The heat required for combustion of petrol is very low Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Litmus is obtained from A bacterium An alga Lichen A fungus A bacterium An alga Lichen A fungus ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid and acetic anhydride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Electrons None of these Protons Neutrons Electrons None of these Protons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Acid Plants Paints Domestic sewage Wood burning Acid Plants Paints Domestic sewage Wood burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bridgmanite is Earth’s most abundant minera A bridge on the river Thames Name of a music Name of a game Earth’s most abundant minera A bridge on the river Thames Name of a music Name of a game ANSWER DOWNLOAD EXAMIANS APP
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