Chemistry Helium gas is filled in ballons because Its atomic number is 2 It is a noble gas It is lighter than air It is one of the constitutents of water Its atomic number is 2 It is a noble gas It is lighter than air It is one of the constitutents of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Element 106 was discovered by Kurchatove Seaborg Lawrence Rutherford Kurchatove Seaborg Lawrence Rutherford ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of Naphthalene is Charcoal Diesel Coal-tar Camphor Charcoal Diesel Coal-tar Camphor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brine refers to : Salt water Pure water Sweet water Starch water Salt water Pure water Sweet water Starch water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals form an amalgam with other metals ? Tin Zinc Lead Mercury Tin Zinc Lead Mercury ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of CO2 SO2 Unburnt petrol CO CO2 SO2 Unburnt petrol CO ANSWER DOWNLOAD EXAMIANS APP
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