Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is Lighter than hydrogen More abundant than hydrogen Non-combustible More stable Lighter than hydrogen More abundant than hydrogen Non-combustible More stable ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following mineral does not contain oxygen ? Cryolite Bauxite Haematite Calcite Cryolite Bauxite Haematite Calcite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muddy water is treated with alum in purification process, itis termed as : Emulsification Absorption Adsorption Coagulation Emulsification Absorption Adsorption Coagulation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum stops bleeding in minor cuts because of Dialysis Coagulation Solvation Emulsion Dialysis Coagulation Solvation Emulsion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is also used as a Bio fertilizer? Ammonia Uric Acid Urea None of these Ammonia Uric Acid Urea None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement containing excess amount of lime Cracks during setting Is quick setting Becomes more strong Is slow setting Cracks during setting Is quick setting Becomes more strong Is slow setting ANSWER DOWNLOAD EXAMIANS APP
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