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Which of the following rational numbers have terminating decimal?

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The feedback fraction B

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HTML tags are enclosed in

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Fill in the blanks with suitable words

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Resources which are found in region but have not been utilized are called.

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Explain the following terms with one example each:

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In set-builder method the null set is represented by

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1 mole of \(\mathrm{CH}_{4}\) contains:

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A full-length image of a distant tall building can definitely be seen by using

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A \(5000 \mathrm{~kg}\) rocket is set for vertical firing. The exhaust speed is \(800 \mathrm{~m} \mathrm{~s}^{-1}\). To give an initial upward acceleration of \(20 \mathrm{~m} \mathrm{~s}^{-2}\), the amount of gas ejected per second to supply the needed thrust will be \(\left(g=10 \mathrm{~m} \mathrm{~s}^{-2}\right)\)

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Explain the features of sustainable development.

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What is the difference between minerals and ores?

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Mention the raw materials required for photosynthesis.

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\(200 \mathrm{~cm}^{3}\) of an aqueous of a protein contains \(1.26 \mathrm{~g}\) of the protein. The osmotic pressure of such a solution at \(300 \mathrm{~K}\) is found to be \(2.57 \times 10^{-3}\) bar. Calculate the molar mass of the protein.

asked Dec 19, 2021 in CBSE by kritika (90.1k points)

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Mechanism of a hypothetical reaction \(X_{2}+Y_{2} \rightarrow 2 X Y\), is given below:

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Write balanced chemical equations for the following reactions:

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Which of the following statements is incorrect ?

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How is the process of pollination different from fertilization ?

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Define equivalent mass.

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State Kohlrausch Law. How is it useful to determine the molar conductivity of weak electrolyte at infinite dilution.

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