Important Science Quiz for NDA/AFCAT/CDSE/OTA
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When hydrogen chloride gas is prepared on a humid day, the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to
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An atom of an element has the electronic configuration 2,8,2. To which group does it belong?
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Give the ratio in which hydrogen and oxygen are present in water by volume.
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Reproduction is essential for living organisms in order to
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In which group of animals, coelom is filled with blood?
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Which one is a true fish?
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Rays from Sun converge at a point 15 cm in front of a concave mirror. Where should an object be placed so that size of its image is equal to the size of the object?
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Which of the following statements is true?
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The average score is 35%
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