Chemistry Gobar gas contains mainly : Ethylene Methane Propylene Acetylene Ethylene Methane Propylene Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry A substance which readily forms colloidal solution in contact with water is called Hydrophobic colloid Extrinsic colloid Associated colloid Hydrophilic colloid Hydrophobic colloid Extrinsic colloid Associated colloid Hydrophilic colloid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/8 1/3 1/6 1/4 1/8 1/3 1/6 1/4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of Naphthalene is Camphor Charcoal Coal-tar Diesel Camphor Charcoal Coal-tar Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? 18 12 6 Zero 18 12 6 Zero ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from 0 – 14 None 0 – 7 8 – 14 0 – 14 None 0 – 7 8 – 14 ANSWER DOWNLOAD EXAMIANS APP
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