Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Carbonic acid Sulphuric acid Acetic acid Formic acid Carbonic acid Sulphuric acid Acetic acid Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called Eutrophication None of these Green house effect Smog Eutrophication None of these Green house effect Smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electronegative element among the following is oxygen sodium fluorine bromine oxygen sodium fluorine bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Water Carbonates from soil Oxides of mineral elements Carbon dioxide Water Carbonates from soil Oxides of mineral elements Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 C and d A and c A and b B and c C and d A and c A and b B and c ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compound is used to remove stains of iron compounds? Oxalic acid Phthalic acid Cinnamic acid Benzoic acid Oxalic acid Phthalic acid Cinnamic acid Benzoic acid ANSWER DOWNLOAD EXAMIANS APP
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