Chemistry The nucleus of a hydrogen atom consists of 1 proton + 2 neutron 1 electron only 1 neutron only 1 proton only 1 proton + 2 neutron 1 electron only 1 neutron only 1 proton only ANSWER DOWNLOAD EXAMIANS APP
Chemistry A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed? From brown to orange-red From brown to blue-black From blue to pink From pink to blue-green From brown to orange-red From brown to blue-black From blue to pink From pink to blue-green ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HF HNO3 H2SO4 HCl HF HNO3 H2SO4 HCl ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Nitrogen Potassium Phosphorous Silicon Nitrogen Potassium Phosphorous Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry When water itself combines chemically with some element or mineral it is called Carbonation Desilication Oxidation Hydration Carbonation Desilication Oxidation Hydration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal compound commonly found in Sindhoor or Kumkum is based on Lead Zinc Tin Copper Lead Zinc Tin Copper ANSWER DOWNLOAD EXAMIANS APP
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