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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: Acetic acid
Vinegar primarily contains acetic acid (CH3COOH), which gives it its sour taste and acidic properties.
Answer: Vitamin K
Vitamin K is essential for the clotting of blood, helping to prevent excessive bleeding when injured.
Answer: Gas
The most common state of matter in the universe is gas, found in stars, nebulae and other cosmic bodies.
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Answer: Oxygen
Oxygen is a gas at room temperature, while mercury is a liquid and iron is a solid.
Answer: Proton
Protons are positively charged particles found in the nucleus of an atom, along with neutrons.
Answer: Weathering
Weathering is the process by which rocks break down into smaller particles due to environmental factors like wind, water and temperature.
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Answer: Pascal
The SI unit of pressure is the Pascal (Pa), named after Blaise Pascal and it is defined as one newton per square meter.
Answer: Potential energy
Potential energy is the stored energy in an object due to its position or state, such as a book on a shelf.
Answer: Concrete
Concrete is a heterogeneous mixture made up of different components like cement, water, sand and aggregates.
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Answer: Medulla oblongata
The medulla oblongata is responsible for regulating involuntary functions such as breathing, heart rate and blood pressure.
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