a) A and R are true and R is the correct explanation of A. b) Both A and R are true and R is not the correct explanation of A. c) A is true but R is false. d) A is false but R is true. Q4. A- Viruses lack any membrane. (1) R- Viruses use host’s machinery to reproduce. Q5. A- The interconversion of States of matter can be done by changing temperature. (1) R- Atmospheric gases can be liquefied on heating. Q6. A- The numerical ratio of distance to displacement is always less than 1. (1) R- the displacement cannot be greater than distance.
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(a) Both A and R are true and R is the correct explanation of A. Explanation: The rates of most reactions increase with a rise in temperature. ... The higher the temperature, the larger the fraction of molecules that can provide the activation energy needed for reaction
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