Chemistry The mass number of a nucleus is the sum of the number of protons and neutrons present in the nucleus a fraction always less than its atomic number always more than the atomic weight the sum of the number of protons and neutrons present in the nucleus a fraction always less than its atomic number always more than the atomic weight ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Hydrogen Sulphide Oxygen Carbon dioxide Nitrogen Hydrogen Sulphide Oxygen Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry A substance which readily forms colloidal solution in contact with water is called Extrinsic colloid Associated colloid Hydrophilic colloid Hydrophobic colloid Extrinsic colloid Associated colloid Hydrophilic colloid Hydrophobic colloid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Rayon Terricot Nylon Cotton Rayon Terricot Nylon Cotton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Match the sourc in Column B with the product of Column A. (Product) Column B (Source)A. Formic acid1. LemonB. Citric acid 2. TamarindC. Tartaric acid3. Ants A B C3 2 1 A B C 2 3 1 A B C 3 1 2 A B C 2 1 3 A B C3 2 1 A B C 2 3 1 A B C 3 1 2 A B C 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 proton only 1 neutron only 1 proton + 2 neutron 1 electron only 1 proton only 1 neutron only 1 proton + 2 neutron 1 electron only ANSWER DOWNLOAD EXAMIANS APP
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