Chemistry The material used in solar cells contains Silicon Tin Thallium Caesium Silicon Tin Thallium Caesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Methyl orange Phenolphthaline Methylene blue Methyl red Methyl orange Phenolphthaline Methylene blue Methyl red ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 6 18 12 Zero 6 18 12 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Zinc oxide Magnesium oxide Aluminium oxide Calcium oxide Zinc oxide Magnesium oxide Aluminium oxide Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Carbonic acid Phosphoric acid Boric acid Sulphuric acid Carbonic acid Phosphoric acid Boric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen is an essential constituent of all : Vitamins Fats Proteins Carbohydrates Vitamins Fats Proteins Carbohydrates ANSWER DOWNLOAD EXAMIANS APP
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