Chemistry Cement is usually a mixture of : Lime stone and silicon dioxide Calcium silicate and calcium ferrate Calcium silicate and calcium aluminate Calcium aluminate and calcium ferrate Lime stone and silicon dioxide Calcium silicate and calcium ferrate Calcium silicate and calcium aluminate Calcium aluminate and calcium ferrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as best adsorbent? Activated Charcoal Activated Coconut Charcoal Carbon black Charcoal Activated Charcoal Activated Coconut Charcoal Carbon black Charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Copper Silver Iron Nichrome Copper Silver Iron Nichrome ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a commercial source of energy? Natural gas Dried dung Agricultural waste Sun Natural gas Dried dung Agricultural waste Sun ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercially, sodium bicarbonate is known as Baking soda Bleaching powder Soda ash Washing soda Baking soda Bleaching powder Soda ash Washing soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Zinc Nickel Chromium Lead Zinc Nickel Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
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