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Chemistry Part I: Some Basic Concepts of Chemistry
Class XI
Chemistry
Some Basic Concepts of Chemistry
15 questions
EASY
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Preview questions
1. What is the SI unit of mass?
Kilogram · Gram · Milligram · Ton
2. Which of the following represents the mole concept?
6.022 x 10^23 particles · 1 kg of substance · 22.4 L of gas · 1000 g of water
3. What is the formula to calculate the number of moles?
Mass / Molar Mass · Volume / Density · Density x Volume · Mass x Molar Mass
4. What is the molar mass of water (H2O)?
18 g/mol · 16 g/mol · 20 g/mol · 22 g/mol
5. Which of the following is a physical quantity?
Temperature · Enthalpy · Entropy · Gibbs Free Energy
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