WorksheetsAssertion reasoning Science class 8
Total questions: 10
Worksheet time: 5mins
Assertion (A) : Hydrogen gas is not evolved when a metal reacts with nitric acid.
Reason (R) : Nitric acid is a base.
(a) Both assertion and reason are true and reason is the correct explanation of assertion.
(b) Both assertion and reason are true but reason is not the correct explanation of assertion.
(c) Assertion is true but reason is false.
(d) Both Assertion and Reason are false.
Assertion (A): Zinc can easily displace copper on reacting with a solution of copper sulphate.
Reason (R) : Copper is more reactive metal as compared to Zinc.
(a) Both assertion and reason are true and reason is the correct explanation of assertion.
(b) Both assertion and reason are true but reason is not the correct explanation of assertion.
(c) Assertion is true but reason is false.
(d) Both Assertion and Reason are false.
Assertion : C and N do not react with dil. HCl and dil. H2SO4.
Reason: Metals react with dil. HCl and dil. H2SO4.
(a) Both assertion and reason are true and reason is the correct explanation of assertion.
(b) Both assertion and reason are true but reason is not the correct explanation of assertion.
(c) Assertion is true but reason is false.
(d) Both Assertion and Reason are false.
Assertion : The property of beating a metal into sheets is called ductility.
Reason: Gold and silver not malleable metals.
(a) Both assertion and reason are true and reason is the correct explanation of assertion.
(b) Both assertion and reason are true but reason is not the correct explanation of assertion.
(c) Assertion is true but reason is false.
(d) Both Assertion and Reason are false.
Assertion : The property of beating a metal into sheets is called ductility.
Reason: Gold and silver not malleable metals.
(a) Both assertion and reason are true and reason is the correct explanation of assertion.
(b) Both assertion and reason are true but reason is not the correct explanation of assertion.
(c) Assertion is true but reason is false.
(d) Both Assertion and Reason are false.
Assertion : Penicillin is prepared from a mould called Penicillium.
Reason: Penicillium is a fungi
(a) Both assertion and reason are true and reason is the correct explanation of assertion.
(b) Both assertion and reason are true but reason is not the correct explanation of assertion.
(c) Assertion is true but reason is false.
(d) Both Assertion and Reason are false.
Assertion : Micro organism can be seen with the help of a microscope.
Reason: Microorganisms cannot be seen by naked eyes.
(a) Both assertion and reason are true and reason is the correct explanation of assertion.
(b) Both assertion and reason are true but reason is not the correct explanation of assertion.
(c) Assertion is true but reason is false.
(d) Both Assertion and Reason are false.
Assertion : Pressure exerted by a liquid can increased.
Reason: pressure depends on density of the liquid and the height of the liquid column.
(a) Both assertion and reason are true and reason is the correct explanation of assertion.
(b) Both assertion and reason are true but reason is not the correct explanation of assertion.
(c) Assertion is true but reason is false.
(d) Both Assertion and Reason are false.
Assertion : While walking on ice, one should take small steps to avoid slipping.
Reason : This is because smaller steps ensure smaller friction.
(a) Both assertion and reason are true and reason is the correct explanation of assertion.
(b) Both assertion and reason are true but reason is not the correct explanation of assertion.
(c) Assertion is true but reason is false.
(d) Both Assertion and Reason are false.
Assertion : Force exerted by the ground on the man moves him forward.
Reason : It is a reactional force.
(a) Both assertion and reason are true and reason is the correct explanation of assertion.
(b) Both assertion and reason are true but reason is not the correct explanation of assertion.
(c) Assertion is true but reason is false.
(d) Both Assertion and Reason are false.
