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Looking for MCQs? You're in the right place! Whether you're preparing for competitive exams, school boards or just aiming to improve your knowledge, we offer MCQs for all levels and subjects.
Answer: Covalent bond
In a covalent bond, electrons are shared between atoms, allowing them to bond and form molecules.
Answer: Time energy
Time is not a form of energy, whereas light, sound and heat are all different forms of energy.
Answer: Coal
Coal is a non-renewable resource as it takes millions of years to form and is depleted once used.
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Answer: Newton
The SI unit of force is the Newton (N), which is used to measure the amount of force applied to an object.
Answer: Oxygen
Oxygen is the most abundant element in the Earths crust, forming a large percentage of minerals such as silicates.
Answer: Mercury
Mercury is the planet closest to the Sun in the solar system, with an average distance of about 57.9 million kilometers.
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Answer: Carry oxygen
The circulatory system is responsible for transporting oxygen and nutrients to body cells and carrying away waste products.
Answer: Covalent bond
In a covalent bond, electrons are shared between two atoms, creating a stable connection.
Answer: Lever
A lever is a simple machine that uses a rigid bar to pivot around a fulcrum to lift or move objects.
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Answer: O2
Oxygen gas exists as a molecule composed of two oxygen atoms, represented by the formula O2.
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