Chemistry Quartz is made of Sodium Sulphate Calcium Silicate Sodium Silicate Calcium Sulphate Sodium Sulphate Calcium Silicate Sodium Silicate Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? 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 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 oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns ANSWER DOWNLOAD EXAMIANS APP
Chemistry Charcoal is used in water treatment as a/an Coagulant Absorbent Adsorbent Solvent Coagulant Absorbent Adsorbent Solvent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is known as the 'brown coal'? Coke Bituminous Lignite Anthracite Coke Bituminous Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of an atom consists of electrons and protons All of these protons and neutrons electrons and neutrons electrons and protons All of these protons and neutrons electrons and neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Litmus is obtained from A fungus An alga Lichen A bacterium A fungus An alga Lichen A bacterium ANSWER DOWNLOAD EXAMIANS APP
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