Some Basic Concepts of Chemistry — Practice Quiz
CBSE · Class 11 · Chemistry
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Quick Quiz: Some Basic Concepts of Chemistry
0/4Tap an answer to check it instantly. No sign-up needed for these 4.
What is the SI unit of amount of substance?
What is Avogadro's number?
Which law states that matter can neither be created nor destroyed during a chemical reaction?
What is the standard for atomic mass in the current system?
Sample Questions
What does 'molar mass' represent?
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Mass of one mole of a substance in grams
Molar mass is the mass of one mole of a substance, numerically equal to its atomic/molecular mass in u.
What is the SI base unit for temperature?
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Kelvin
Kelvin (K) is the SI base unit for thermodynamic temperature, with 0 K being absolute zero.
What is an empirical formula?
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A formula representing the simplest whole number ratio of atoms
An empirical formula shows the simplest whole number ratio of atoms in a compound.
What does molarity (M) represent?
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Moles of solute per liter of solution
Molarity is defined as the number of moles of solute dissolved in one liter of solution.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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