Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Oxalic acid Phthalic acid Benzoic acid Cinnamic acid Oxalic acid Phthalic acid Benzoic acid Cinnamic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry In galvanization, iron is coated with Tin Zinc Copper Nickel Tin Zinc Copper Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry If the sewage is fully oxidized, the nitrogen is in the form of Nitrates Ammonia Nitrites Nitramines Nitrates Ammonia Nitrites Nitramines ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Iron, tin and calcium Magnesium, tin and iron Magnesium, calcium and tin Calcium, magnesium and iron Iron, tin and calcium Magnesium, tin and iron Magnesium, calcium and tin Calcium, magnesium and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Tin Silicon Caesium Thallium Tin Silicon Caesium Thallium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Choose the incorrect statement pertaining to organic compounds They are not easily combustible They have low melting and boiling points They do not dissolve in water They contain mainly carbon and hydrogen They are not easily combustible They have low melting and boiling points They do not dissolve in water They contain mainly carbon and hydrogen ANSWER DOWNLOAD EXAMIANS APP
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