Chemistry What is the element that is in the highest percentage in the composition of the earth ? Oxygen Magnesium Iron Silicon Oxygen Magnesium Iron Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following electrodes is used in strongly alkaline solution Mercury - mercuric oxide electrode Silver - silver chloride electrode Mercury - mercurous chloride electrode Mercury - mercurous sulphate electrode Mercury - mercuric oxide electrode Silver - silver chloride electrode Mercury - mercurous chloride electrode Mercury - mercurous sulphate electrode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Cosmic rays. Infra-red rays Ultraviolet rays All radiations of Light Cosmic rays. Infra-red rays Ultraviolet rays All radiations of Light ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ gives hardness to stainless steel. Carbon Zinc Tin Lead Carbon Zinc Tin Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat value of combustion of Gasoline is 47000 kJ/kg 12600 kJ/kg 39400 kJ/kg 14600 kJ/kg 47000 kJ/kg 12600 kJ/kg 39400 kJ/kg 14600 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is found in all organic compounds Calcium Oxygen Nitrogen Carbon Calcium Oxygen Nitrogen Carbon ANSWER DOWNLOAD EXAMIANS APP
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