Chemistry The first metal used by a man was Brass Bronze Copper Silver Brass Bronze Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baryllium Sulphate is less soluble in water due to Low Energy of dissociation High inflammable energy Lonic band Low inflammable energy Low Energy of dissociation High inflammable energy Lonic band Low inflammable energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry An important green-house gas other than methane being produced from the agricultural fields is Ammonia Nitrous oxide Arsine Sulphur dioxide Ammonia Nitrous oxide Arsine Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Iron Mercury Platinum Gold Iron Mercury Platinum Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Domestic cooking gas consists mostly of Hydrogen and acetylene Ethylene and carbon monoxide Methane and ethane Liquified butane and isobutane Hydrogen and acetylene Ethylene and carbon monoxide Methane and ethane Liquified butane and isobutane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 13 days 0.01 minute 100 years 3 billion years 13 days 0.01 minute 100 years 3 billion years ANSWER DOWNLOAD EXAMIANS APP
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