Grade 12 Quizzes, Questions & Answers
Recent Grade 12 Quizzes
Questions: 15 | Attempts: 2069 | Last updated: Mar 22, 2025
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Sample QuestionCatalyst is required in very small non-stoichiometric quantities because:
Questions: 10 | Attempts: 2633 | Last updated: Mar 21, 2025
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Sample QuestionA photon of frequency ν is incident on a metal surface of threshold frequency νο. The kinetic energy of the emitted photoelectron is
Questions: 15 | Attempts: 2709 | Last updated: Mar 21, 2025
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Sample QuestionThe cathode rays are
Questions: 15 | Attempts: 3640 | Last updated: Aug 22, 2025
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Sample QuestionIn a reaction, A + B Product, rate is doubled when the concentration of B is doubled, and rate increases by a factor of 8 when the concentrations of both the reactants (A and B) are doubled, rate law for the reaction can be written as:
Questions: 44 | Attempts: 1055 | Last updated: Mar 19, 2025
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Sample QuestionThe gradient of the curve at is (1) - 20 (2) 27 (3) - 16 (4) - 21
Questions: 60 | Attempts: 1228 | Last updated: Mar 22, 2025
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Sample QuestionPhotosynthesis takes place in
Questions: 14 | Attempts: 2862 | Last updated: Mar 21, 2025
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Sample QuestionIn an electromagnetic wave
Questions: 44 | Attempts: 535 | Last updated: Mar 20, 2025
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Sample QuestionHere lies, to each her parents’ ruth, Mary, the daughter of their youth; Yet all heaven’s gifts being heaven’s due, it makes the father less to rue.
Questions: 29 | Attempts: 2331 | Last updated: Oct 23, 2025
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Sample QuestionThe value of is (1) (2) (3) (4)
Questions: 35 | Attempts: 1750 | Last updated: Mar 20, 2025
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Sample QuestionIf is a non-zero vector and is a non-zero scalar then is a unit vector if (1) (2) (3) (4)
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