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Sodium is always kept in kerosene.

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Functional group Explain the following terms with example

asked Oct 10, 2021 in Chapter 9: Carbon Compounds by Doubtly (98.9k points)

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One can sense colours only in bright light.

asked Oct 9, 2021 in Chapter 7: Lenses by Doubtly (98.9k points)

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An electric iron of 1100 W is operated for 2 hrs daily. What will be the electrical consumption expenses for that in the month of April?

asked Sep 25, 2021 in Chapter 4: Effects of electric current by anonymous

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Explain the following concepts : (1) Applied History

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Zinc oxide is dissolved in dilute hydrochloric acid.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

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simple mock test quiz demo

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Monomer Explain the following terms with example

asked Oct 10, 2021 in Chapter 9: Carbon Compounds by Doubtly (98.9k points)

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Lemon or tamarind is used for cleaning copper vessels turned greenish.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

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Doctor has prescribed a lens having power +1.5 D. What will be the focal length of the lens? What is the type of the lens and what must be the defect of vision?

asked Oct 9, 2021 in Chapter 7: Lenses by Doubtly (98.9k points)

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Identify the type of the following reaction of carbon compounds.

asked Oct 10, 2021 in Chapter 9: Carbon Compounds by Doubtly (98.9k points)

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Identify the pairs of metals and their ores from the following.

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A simple pendulum is suspended from the roof of a train. If the train is moving with an acceleration of 49 cm/s2 ,

asked Mar 1, 2021 in Chapter1:Rotational Dynamics by Doubt

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Why is it useful to define radius of gyration?

asked May 18, 2021 in Chapter1:Rotational Dynamics by Doubtly (98.9k points)

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Explain the term Gangue

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

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How to memorize CBSE Class 10 Maths formulas?

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Unsaturated hydrocarbon Explain the following terms with example

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Write chemical equation for the following events. Iron filings are dropped in aqueous solution of copper sulphate

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Electrolysis of alumina is done.

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When a copper coin is dipped in silver nitrate solution, a glitter appears on the coin after some time.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

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