MCQ Collection

New South Wales HSC Sciences MCQs

Practice New South Wales HSC Sciences questions with answers and explanations.

nsw-hsc New South Wales HSC Sciences AustraliaHard

Science task 110: A New South Wales senior class applies the information to a coastal community planning problem. A tracer starts at 0.14 mol and undergoes 2 half-lives of 8 minutes each. How much remains?

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nsw-hsc New South Wales HSC Sciences AustraliaMedium

Science task 106: A New South Wales senior class applies the information to a coastal community planning problem. A solution has pH 2. What is its hydrogen-ion concentration?

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nsw-hsc New South Wales HSC Sciences AustraliaMedium

Science task 107: A New South Wales senior class applies the information to a coastal community planning problem. A device transfers 539 J in 35 s. What is its average power?

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nsw-hsc New South Wales HSC Sciences AustraliaMedium

Science task 101: A New South Wales senior class applies the information to a coastal community planning problem. A 14 kg test trolley accelerates at 1 m/s². What net force acts on it?

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nsw-hsc New South Wales HSC Sciences AustraliaMedium

Science task 102: A New South Wales senior class applies the information to a coastal community planning problem. A circuit has 35 V across a 13 Ω resistor. What current flows?

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nsw-hsc New South Wales HSC Sciences AustraliaMedium

Science task 103: A New South Wales senior class applies the information to a coastal community planning problem. A compound has molar mass 26 g mol⁻¹. What is the mass of 11 mol?

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nsw-hsc New South Wales HSC Sciences AustraliaMedium

Science task 104: A New South Wales senior class applies the information to a coastal community planning problem. An enzyme extracted from bacteria is tested at 24°C. Which statement about enzyme action is correct?

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nsw-hsc New South Wales HSC Sciences AustraliaMedium

Science task 105: A New South Wales senior class applies the information to a coastal community planning problem. Cells from the skin of a growing organism undergo mitosis. What is the usual outcome?

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nsw-hsc New South Wales HSC Sciences AustraliaMedium

Science task 92: A New South Wales senior class applies the information to a coastal community planning problem. A circuit has 25 V across a 3 Ω resistor. What current flows?

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nsw-hsc New South Wales HSC Sciences AustraliaMedium

Science task 93: A New South Wales senior class applies the information to a coastal community planning problem. A compound has molar mass 26 g mol⁻¹. What is the mass of 1 mol?

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nsw-hsc New South Wales HSC Sciences AustraliaMedium

Science task 94: A New South Wales senior class applies the information to a coastal community planning problem. An enzyme extracted from mice is tested at 36°C. Which statement about enzyme action is correct?

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nsw-hsc New South Wales HSC Sciences AustraliaMedium

Science task 95: A New South Wales senior class applies the information to a coastal community planning problem. Cells from the bone marrow of a growing organism undergo mitosis. What is the usual outcome?

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