Chemistry All isotopes of the same element have ________ Different atomic numbers and different atomic mass Different atomic numbers and the same atomic mass The same atomic number but different atomic masses The same atomic number and the atomic mass Different atomic numbers and different atomic mass Different atomic numbers and the same atomic mass The same atomic number but different atomic masses The same atomic number and the atomic mass ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element used in the manufacture of safety matches is Sulphur Phosphorous Magnesium Silicon Sulphur Phosphorous Magnesium Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Decomposition reaction Combination reaction Electrolysis Spontaneous oxidation-reduction reaction Decomposition reaction Combination reaction Electrolysis Spontaneous oxidation-reduction reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of covalent formed by nitrogen is 2 3 1 4 2 3 1 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement containing excess amount of lime Cracks during setting Is slow setting Is quick setting Becomes more strong Cracks during setting Is slow setting Is quick setting Becomes more strong ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following phenomenon is considered responsible for Global Warming? Greenhouse effect Fire in coal mines Dry farming Trade winds Greenhouse effect Fire in coal mines Dry farming Trade winds ANSWER DOWNLOAD EXAMIANS APP
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