MCQ Collection

nsw-hsc MCQs

Practice nsw-hsc questions with answers and explanations.

nsw-hsc New South Wales HSC Sciences AustraliaHard

Science task 100: A New South Wales senior class applies the information to a coastal community planning problem. A tracer starts at 0.12 mol and undergoes 4 half-lives of 5 minutes each. How much remains?

Choose an option to check your answer.

nsw-hsc New South Wales HSC Sciences AustraliaHard

Science task 90: A New South Wales senior class applies the information to a coastal community planning problem. A tracer starts at 0.10 mol and undergoes 2 half-lives of 2 minutes each. How much remains?

Choose an option to check your answer.

nsw-hsc New South Wales HSC Sciences AustraliaMedium

Science task 91: A New South Wales senior class applies the information to a coastal community planning problem. A 4 kg test trolley accelerates at 8 m/s². What net force acts on it?

Choose an option to check your answer.

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?

Choose an option to check your answer.

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?

Choose an option to check your answer.

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?

Choose an option to check your answer.

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?

Choose an option to check your answer.

nsw-hsc New South Wales HSC Sciences AustraliaHard

Science task 80: A New South Wales senior class applies the information to a coastal community planning problem. A tracer starts at 0.26 mol and undergoes 4 half-lives of 6 minutes each. How much remains?

Choose an option to check your answer.

nsw-hsc New South Wales HSC Sciences AustraliaMedium

Science task 81: A New South Wales senior class applies the information to a coastal community planning problem. A 23 kg test trolley accelerates at 15 m/s². What net force acts on it?

Choose an option to check your answer.

nsw-hsc New South Wales HSC Sciences AustraliaMedium

Science task 82: A New South Wales senior class applies the information to a coastal community planning problem. A circuit has 15 V across a 12 Ω resistor. What current flows?

Choose an option to check your answer.

nsw-hsc New South Wales HSC Sciences AustraliaMedium

Science task 83: 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 3 mol?

Choose an option to check your answer.

nsw-hsc New South Wales HSC Sciences AustraliaMedium

Science task 84: A New South Wales senior class applies the information to a coastal community planning problem. An enzyme extracted from fruit flies is tested at 26°C. Which statement about enzyme action is correct?

Choose an option to check your answer.