Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Methyl orange Methyl red Methylene blue Phenolphthaline Methyl orange Methyl red Methylene blue Phenolphthaline ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Polymerisation Dissociation of water Dehydration Hydration and dissociation of water Polymerisation Dissociation of water Dehydration Hydration and dissociation of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A seed plant A fungus A bacterium An insect A seed plant A fungus A bacterium An insect 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 SO2 Unburnt petrol CO CO2 SO2 Unburnt petrol CO CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Besides CO2, the other green house gas is CH4 Ar Ar N2 N2 O2 CH4 Ar Ar N2 N2 O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Cations Higgs-boson Anions Isotopes Cations Higgs-boson Anions Isotopes ANSWER DOWNLOAD EXAMIANS APP
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