Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Nickel Chromium Lead Zinc Nickel Chromium Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Cosmic rays. All radiations of Light Infra-red rays Ultraviolet rays Cosmic rays. All radiations of Light Infra-red rays Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 proton + 2 neutron 1 proton only 1 neutron only 1 electron only 1 proton + 2 neutron 1 proton only 1 neutron only 1 electron only ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalytic converters are generally made from : Carbon Alkaline metals Hydrogen Transition metals Carbon Alkaline metals Hydrogen Transition metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry The formula C6H5-CO-CH3 represents Phenyl acetate Acetophenone Acetone Acetic acid Phenyl acetate Acetophenone Acetone Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry During fermentation of sugar, the compound which is always formed is : Ethyl Alcohol Ethylene Methyl Alcohol Acetic Acid Ethyl Alcohol Ethylene Methyl Alcohol Acetic Acid ANSWER DOWNLOAD EXAMIANS APP