What is the chemical formula of common salt?
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Common salt is sodium chloride.
Its chemical formula is NaCl.
Practice PPSC General Knowledge questions with answers and explanations.
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Common salt is sodium chloride.
Its chemical formula is NaCl.
Choose an option to check your answer.
The cerebellum coordinates movement, posture, and balance.
It lies at the back of the brain.
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Human body cells normally contain 46 chromosomes in 23 pairs.
Reproductive cells contain 23 chromosomes.
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Sunlight helps the skin produce vitamin D.
This vitamin supports calcium absorption and bone health.
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The Silk Road was a network of overland and maritime routes.
It carried goods, ideas, and technologies across Eurasia.
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Hammurabi was a king of Babylon.
His law code is one of the best-known ancient legal collections.
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Machu Picchu was built by the Inca civilization.
It is located high in the Andes of Peru.
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The cell is the smallest structural and functional unit of living organisms.
All living things are made of one or more cells.
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The heart pumps blood through the circulatory system.
Its contractions deliver oxygen and nutrients to tissues.
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The skin is the body's largest organ by surface area and mass.
It protects internal tissues and helps regulate temperature.
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The femur is the thigh bone.
It is the longest and one of the strongest bones in the body.
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Red blood cells contain hemoglobin, which binds oxygen.
They transport oxygen from the lungs to body tissues.