Recent questions tagged cbse

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1 answer 283 views

If all the organisms of one trophic level in a food chain die, what would be its impact on the population of organisms

asked Nov 10, 2023 in Science by Kabita (6.6k points)

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1 answer 585 views

For a convex mirror the image distance (v) = 5 cm, focal length (f) = 10 cm and height of the image (h) = 7.5 cm.

asked Nov 10, 2023 in Science by Kabita (6.6k points)

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1 answer 136 views

The light enters from air to glass having refractive index 1.5. The speed of light in glass is

asked Nov 10, 2023 in Science by Kabita (6.6k points)

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1 answer 133 views

During exhalation, the exchange of gases takes place between

asked Nov 9, 2023 in Science by Priya (33.3k points)

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1 answer 301 views

A cross between pure tall and pure short pea plants gives hybrid tall pea plants in the first generation.

asked Nov 9, 2023 in Science by Priya (33.3k points)

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1 answer 431 views

Gastric juice is secreted by gastric glands and contains hydrochloric acid, mucus, and pepsin.

asked Nov 9, 2023 in Science by Priya (33.3k points)

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1 answer 1.9k views

Which of the following tests is given by the gas ‘X’ produced in the set up shown? (a) Lime water turns milky white

asked Nov 9, 2023 in Science by Priya (33.3k points)

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1 answer 511 views

Which of the following structures correctly represent the electron dot structure of a Nitrogen molecule?

asked Nov 9, 2023 in Science by Priya (33.3k points)

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1 answer 3.0k views

Which of the following correctly represents ‘X’ in the above chemical changes? (a) Ethane (b) Ethene (c) Ethyne

asked Nov 9, 2023 in Science by Priya (33.3k points)

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1 answer 581 views

The metal X does not react with cold water but floats on hot water with formation of colourless bubbles.

asked Nov 9, 2023 in Science by Priya (33.3k points)

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1 answer 228 views

Washing soda is hydrated a) Sodium hydrogen carbonate b) Sodium carbonate

asked Nov 9, 2023 in Science by Priya (33.3k points)

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1 answer 2.0k views

The ratio (x:y) of reactants Fe and H2O in the given balanced chemical equation is xFe(s) + yH2O(g) → Fe3O4 (s)

asked Nov 9, 2023 in Science by Priya (33.3k points)

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1 answer 3.5k views

Which of the following observations is correct for the above given experimental diagram?

asked Nov 9, 2023 in Science by Priya (33.3k points)

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1 answer 2.1k views

Sunil and Raman did their graduation from the same college. Sunil got employed in an unorganised sector

asked Nov 8, 2023 in Social science by Priya (33.3k points)

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1 answer 2.2k views

Mr. Y from a city in India visits a rural area and finds five people working in a small agricultural farm.

asked Nov 8, 2023 in Social science by Priya (33.3k points)

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1 answer 92 views

Provide evidence to support the claim that print culture helped in the growth of nationalism in India?

asked Nov 8, 2023 in Social science by Priya (33.3k points)

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1 answer 245 views

Assertion (A): It is often said that political parties are facing a crisis.

asked Nov 7, 2023 in Social science by Priya (33.3k points)

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1 answer 214 views

Statement I: The SHGs help borrowers overcome the problem of lack of collateral.

asked Nov 7, 2023 in Social science by Priya (33.3k points)

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1 answer 95 views

As per the data given above, why has Kerala a low infant mortality rate?

asked Nov 7, 2023 in Social science by Priya (33.3k points)

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1 answer 71 views

In Bhakra–Nangal project water is being used for

asked Nov 7, 2023 in Social science by Priya (33.3k points)

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