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SAT (Stage-1) M...

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  • Question 1
    1 / -0

    Which of the following gases, when burnt in air produces a sooty flame?

  • Question 2
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    When ethanol is heated with conc. H2SO4 at 443 K, the products formed are

  • Question 3
    1 / -0

    The number of oxygen atoms present in 14.6 g of magnesium bicarbonate is

  • Question 4
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    If isotopic distribution of C-12 and C-14 is 98% and 2%, the number of C-14 atoms in 12 g of carbon is

  • Question 5
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    Which among the following is a transition element?

  • Question 6
    1 / -0

    Match the following organic acids in the column I with their relevant properties in the column II.

      Column I   Column II
    (i) Fatty acids a. present in the juice of lemons and other sour fruits and used as a flavouring and setting agent.
    (ii) Citrus acid b. Fat metabolism
    (iii) Amino acids c. used in dyeing and finishing textiles and paper
    (iv) Formic acid d. help in the development, growth and repair of the body cells

  • Question 7
    1 / -0

    Match the following:

    Name of base Found in Chemical formula
    1. Ammonium hydroxide a. Limewater p. Mg(OH)2
    2. Magnesium hydroxide b. Window cleaner solution q. KOH
    3. Calcium Hydroxide c. Liquid soap r. Ca(OH)2
    4. Potassium hydroxide d. Milk of magnesia s. NH4OH

  • Question 8
    1 / -0

    Among the statements given below, which is factually correct.

    I. The sting of both nettle plant and honey bee contains the same acid.
    II. Rubbing calamine lotion on a wasp sting would provide relief.

  • Question 9
    1 / -0

    Which of the following is not a combination reaction?

  • Question 10
    1 / -0

    Consider the following reaction:

    2H2(g) + O2(g) → 2H2O(g)

    Which of the following statements is true about the given reaction?

  • Question 11
    1 / -0

    What is the difference on a Fahrenheit scale if two temperatures differ by 25° on a Celsius scale?

  • Question 12
    1 / -0

    What is the process of incorporating desirable characters into a crop called?

  • Question 13
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    Which of the following minerals is correctly matched with its deficiency disease?

  • Question 14
    1 / -0

    In which of the following organisms, RNA acts as the genetic material?

  • Question 15
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    Which of the following statement(s) is/are incorrect?

    a. A mutation is the ultimate source of genetic variation.
    b. The germ cells can fuse with each other even if the change in the number of chromosomes is severe enough.
    c. Natural selection and genetic drift cannot operate unless there is genetic variation.
    d. The central dogma describes the flow of genetic information in cells from DNA to messenger RNA (mRNA) to protein.

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