Chemistry Helium gas is filled in ballons because 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 Its atomic number is 2 It is a noble gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Water Carbonic Acid Methane Ammonia Water Carbonic Acid Methane Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodex, a pain relief balm, has the smell of ________ . Methyl salicylate Butyl salicylate Propyl salicylate Ethyl salicylate Methyl salicylate Butyl salicylate Propyl salicylate Ethyl salicylate ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight Increases First increases and then decreases Decreases Remains the same Increases First increases and then decreases Decreases Remains the same ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest commercial form of iron ? Stainless steel Pig iron Steel Wrought iron Stainless steel Pig iron Steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Fractional distillation Fractional crystallisation Steam distillation Sublimation Fractional distillation Fractional crystallisation Steam distillation Sublimation ANSWER DOWNLOAD EXAMIANS APP
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