Chemistry Freon' used as refrigerants is chemically Chlorinated hydrocarbon Chlorofluoro hydrocarbon Fluorinated aromatic compound Fluorinated hydrocarbon Chlorinated hydrocarbon Chlorofluoro hydrocarbon Fluorinated aromatic compound Fluorinated hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Two million Ten million Half a million One million Two million Ten million Half a million One million ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Nickel Lead Chromium Zinc Nickel Lead Chromium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The charcoal used to decolourise brown sugar solution is Coconut charcoal Sugar charcoal Animal charcoal Wood charcoal Coconut charcoal Sugar charcoal Animal charcoal Wood charcoal 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethanol containing 5% water is known as Power alcohol Denatured spirit Methylated alcohol Rectified spirit Power alcohol Denatured spirit Methylated alcohol Rectified spirit ANSWER DOWNLOAD EXAMIANS APP
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