Chemistry The lowest layer of earth's atmosphere is Mesosphere Stratosphere Troposphere Ionosphere Mesosphere Stratosphere Troposphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuO Cu(NO3)2 CuCO3 Cu(OH)2 CuSO4 CuO Cu(NO3)2 CuCO3 Cu(OH)2 CuSO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry When cathode rays strike a target of high atomic weight, they give rise to Positive rays ?-rays ? and ? rays X-rays Positive rays ?-rays ? and ? rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not contain Silver ? Lunar Caustic Ruby Silver Horn Silver German Silver Lunar Caustic Ruby Silver Horn Silver German Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Fractional distillation Sublimation Fractional crystallisation Steam distillation Fractional distillation Sublimation Fractional crystallisation Steam distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is not present in stainless steel? Nickel Iron Chromium Tungsten Nickel Iron Chromium Tungsten ANSWER DOWNLOAD EXAMIANS APP