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  1. Best Answer

    In CuSO4.5H2O, we have: 1 Copper (Cu) atom, 1 Sulphur (S) atom, 4 Oxygen (O) atoms, 5*2 = 10 Hydrogen (H) atoms, and 5*1 = 5 Oxygen (O) atoms. Thus, in total, the number of atoms present in the compound is: 1+1+4+10+5 = 21.

    In CuSO4.5H2O, we have:
    1 Copper (Cu) atom,
    1 Sulphur (S) atom,
    4 Oxygen (O) atoms,
    5*2 = 10 Hydrogen (H) atoms,
    and 5*1 = 5 Oxygen (O) atoms.

    Thus, in total, the number of atoms present in the compound is: 1+1+4+10+5 = 21.

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  2. Best Answer

    The scientists' name have been correctly matched with their contributions/discoveries below: (i) Faraday → (g) Law of electromagnetic induction (ii) Rutherford → (j) Nuclear model of atom (iii) Chadwick → (i) Neutron (iv) Bohr → (b) Quantum model of hydrogen atom (v) Newton → (a) Law of gravitation,Read more

    The scientists’ name have been correctly matched with their contributions/discoveries below:

    (i) Faraday → (g) Law of electromagnetic induction
    (ii) Rutherford → (j) Nuclear model of atom
    (iii) Chadwick → (i) Neutron
    (iv) Bohr → (b) Quantum model of hydrogen atom
    (v) Newton → (a) Law of gravitation, Laws of motion
    (vi) Maxwell → (c) Unification of light and electromagnetism
    (vii) Salam → (f) Unification of weak and electromagnetic interactions
    (viii) Einstein → (h) Theory of relativity, Explanation of photoelectric effect
    (ix) Roentgen → (e) X-rays
    (x) Madam Curie → (n) Discovery of radium
    (xi) J. J. Thomson → (m) Electron
    (xii) de Broglie → (k) Wave nature of matter
    (xiii) John Bardeen → (l) Transistor
    (xiv) Hubble → (h) Expansion of the universe

    (i ) – (g); (ii) – (j); (iii) – (i); (iv) – (b); (v) – (a); (vi) – (c); (vii) – (f); (viii) – (d); (ix) – (e); (x) – (n); (xi) – (m); (xii) – (k); (xiii) – (l); (xiv) – (h).

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  3. Interferons are low molecular weight proteins produced by virus infected cells. They protect non-infected cells from further infections.

    Interferons are low molecular weight proteins produced by virus infected cells. They protect non-infected cells from further infections.

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  4. Virus infected cells secrete proteins called interferons which non-infected cells from further viral infection.

    Virus infected cells secrete proteins called interferons which non-infected cells from further viral infection.

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  5. Chikungunya and Dengue Fever are two diseases that can be controlled by eradication of Aedes Mosquito.

    Chikungunya and Dengue Fever are two diseases that can be controlled by eradication of Aedes Mosquito.

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  6. To ensure anamnestic or secondary immune response, dead or attenuated pathogens of a disease can be injected into a healthy person that can produce memory cells i.e., vaccination.

    To ensure anamnestic or secondary immune response, dead or attenuated pathogens of a disease can be injected into a healthy person that can produce memory cells i.e., vaccination.

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  7. AIDS is caused by the Human Immune Deficiency Virus (HIV). DNA is the genetic material.

    AIDS is caused by the Human Immune Deficiency Virus (HIV). DNA is the genetic material.

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  8. Aedes aegypti is the vector responsible for the widespread cases of chickungunya.

    Aedes aegypti is the vector responsible for the widespread cases of chickungunya.

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