Chemistry Pyrethrin used in mosquito coil is obtained from An insect A fungus A bacterium A seed plant An insect A fungus A bacterium A seed plant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stalactites and Stalagmites form due to the precipitation of : CaCO3 MgCO3 MgCl2 CaCl2 CaCO3 MgCO3 MgCl2 CaCl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called Eutrophication None of these Smog Green house effect Eutrophication None of these Smog Green house effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Potassium Aluminium Fluorine Lead Potassium Aluminium Fluorine Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fuels causes minimum environmental pollution? Hydrogen Coal Kerosene Diesel Hydrogen Coal Kerosene Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Kinetics is the study of: The mechanisms and paths of the molecules take in joining from one reactant to products How fast the reactions go All of these are correct The rate of chemical reaction The mechanisms and paths of the molecules take in joining from one reactant to products How fast the reactions go All of these are correct The rate of chemical reaction ANSWER DOWNLOAD EXAMIANS APP
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