Chemistry Helium gas is filled in ballons because It is one of the constitutents of water It is lighter than air Its atomic number is 2 It is a noble gas It is one of the constitutents of water It is lighter than air Its atomic number is 2 It is a noble gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following substance's smell is similar to Ethanoic acid? Tomato juice Vinegar Lemon Kerosene Tomato juice Vinegar Lemon Kerosene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of improving the quality of rubber by heating it with sulphur is called. Galvanization Vulcanization Acceleration Sulphonation Galvanization Vulcanization Acceleration Sulphonation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aquaregia is a mixture of the following in the ratio 1 : 3 by volume Conc. HNO3 and conc. HCl Dil. HCl and dil. HNO3 Conc. HNO3 and conc. H2SO4 Conc. HCl and conc. HNO3 Conc. HNO3 and conc. HCl Dil. HCl and dil. HNO3 Conc. HNO3 and conc. H2SO4 Conc. HCl and conc. HNO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stalactites and Stalagmites form due to the precipitation of : CaCO3 CaCl2 MgCl2 MgCO3 CaCO3 CaCl2 MgCl2 MgCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as best adsorbent? Carbon black Activated Charcoal Activated Coconut Charcoal Charcoal Carbon black Activated Charcoal Activated Coconut Charcoal Charcoal ANSWER DOWNLOAD EXAMIANS APP
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