Chemistry Two elements which can form a large number of compounds are Carbon and Oxygen Carbon and Hydrogen Carbon and Sulphur Carbon and Nitrogen Carbon and Oxygen Carbon and Hydrogen Carbon and Sulphur Carbon and Nitrogen 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 A and b A and c B and c C and d A and b A and c B and c C and d ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid present in red ants is Acetic acid Butyric acid Formic acid Caproic acid Acetic acid Butyric acid Formic acid Caproic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Hydrogen peroxide Sodium peroxide Ozone Barium peroxide Hydrogen peroxide Sodium peroxide Ozone Barium peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most electronegative Tin Silicon Carbon Lead Tin Silicon Carbon Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are Sodium salt of benzoic acid Sodium salts of fatty acids Sodium salts of sulphonic acids None of these Sodium salt of benzoic acid Sodium salts of fatty acids Sodium salts of sulphonic acids None of these ANSWER DOWNLOAD EXAMIANS APP
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