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Give any two uses of pH in everyday life other than mentioned in the context.

asked Nov 15, 2023 in Science by Priya (33.3k points)

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Why is a normal eye not able to see clearly the objects placed closer than 25 cm?

asked Nov 15, 2023 in Science by Priya (33.3k points)

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A person is unable to see objects distinctly placed within 75 cm from his eyes.

asked Nov 15, 2023 in Science by Priya (33.3k points)

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How does blood sugar level get regulated in the human body?

asked Nov 14, 2023 in Science by Priya (33.3k points)

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Flow of energy in a food chain is unidirectional. Justify the statement.

asked Nov 14, 2023 in Science by Priya (33.3k points)

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An organic compound ‘X’ is a liquid at room temperature. It is also a very good solvent and has the molecular formula

asked Nov 14, 2023 in Science by Priya (33.3k points)

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An organic compound ‘P’ is a constituent of wines. ‘P’ on reacting with acidified K2Cr2O7 forms another compound ‘Q’.

asked Nov 14, 2023 in Science by Priya (33.3k points)

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Draw the pattern of the magnetic field lines around a current-carrying solenoid.

asked Nov 13, 2023 in Science by Kabita (6.6k points)

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A current of 10 A flows through a conductor for two minutes. (i) Calculate the amount of charge passing through

asked Nov 13, 2023 in Science by Kabita (6.6k points)

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An object is placed at a distance of 60 cm from a concave lens of focal length 30 cm.

asked Nov 13, 2023 in Science by Kabita (6.6k points)

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A 4 cm tall object is placed perpendicular to the principal axis of a convex lens of focal length 20 cm.

asked Nov 13, 2023 in Science by Kabita (6.6k points)

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Given below are some disorders noticed in some patients. It could it be due to malfunctioning of which part of brain

asked Nov 13, 2023 in Science by Kabita (6.6k points)

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State any three reasons to justify the use of contraceptive methods.

asked Nov 13, 2023 in Science by Priya (33.3k points)

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Metal ‘A’ is used in the thermite process as a reducing agent. When ‘A’ is heated with oxygen it gives an oxide

asked Nov 13, 2023 in Science by Priya (33.3k points)

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Sakshi was comparing the reactivity of different metals for her science project. She added iron filings in four test

asked Nov 13, 2023 in Science by Priya (33.3k points)

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Marked decline in the thickness of ozone layer was noticed in the 1980s. Which human activity can be held accountable

asked Nov 12, 2023 in Science by Priya (33.3k points)

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State the rule to determine the direction of the force experienced by a current-carrying straight conductor placed

asked Nov 12, 2023 in Science by Priya (33.3k points)

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Imagine a current carrying circular loop of wire on the plane of your answer sheet. The magnetic field inside the loop

asked Nov 12, 2023 in Science by Priya (33.3k points)

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Give reasons for the following: (a) Red traffic signals can be seen from a very long distance.

asked Nov 12, 2023 in Science by Priya (33.3k points)

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What is the advantage of having a four-chambered heart in birds and mammals?

asked Nov 12, 2023 in Science by Priya (33.3k points)

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