Chemistry What is used in storage batteries? Tin Zinc Lead Copper Tin Zinc Lead Copper 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 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 From brown to orange-red ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acids serves as an electrolyte in a lead storage battery? Sulphuric acid Lactic acid Nitric acid Hydrochloric acid Sulphuric acid Lactic acid Nitric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The charcoal used to decolourise brown sugar solution is Wood charcoal Animal charcoal Sugar charcoal Coconut charcoal Wood charcoal Animal charcoal Sugar charcoal Coconut charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Iron Gold Copper Zinc Iron Gold Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Magnesium Potassium Iron Sodium Magnesium Potassium Iron Sodium ANSWER DOWNLOAD EXAMIANS APP
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