What is assertion and reason Questions?
This type of reasoning questions consists of two statements; an assertion (statement of fact) and a reason (explanation for the assertion). Both A and R are true and R is the correct explanation of A. Both A and R are true, but R is not the correct explanation of A. A is true, but R is false.
When lightning strikes the sound is heard a little after the flash is seen?
Complete step by step answer The speed of light in a vacuum is given by 3×108m/s which is much more than the speed of the sound. So when lightning strikes then the flash of light reaches us much faster than the sound does.
What is assertion reason?
Reason is the explanation for the assertion. In assertion / reason question the options given are: Study the two statements labelled as Assertion (A) and Reason (R). Point out if: (a) Both, A and R, are true and R is the correct explanation of A.
Is 9th class tough?
Class 9th syllabus is toughest for students. But it needs regular practice of subjects everyday to get good marks. You should study just 2-3hours everyday(not too much),but without any distractions.Dey 26, 1390 AP
Is sodium chloride a pure substance?
Ordinary table salt is called sodium chloride. It is considered a substance because it has a uniform and definite composition. All samples of sodium chloride are chemically identical. By definition, a pure substance or a homogeneous mixture consists of a single phase.Shahrivar 1, 1398 AP
Is matter a pure?
In other words, a substance is a pure single form of matter. As we look around, we can see that most of the matter around us exist as mixtures of two or more pure components, for example, sea water, minerals, soil etc. are all mixtures. A substance cannot be separated into other kinds of matter by any physical process.
What means assertion?
: the act of asserting or something that is asserted: such as. a : insistent and positive affirming, maintaining, or defending (as of a right or attribute) an assertion of ownership/innocence. b : a declaration that something is the case He presented no evidence to support his assertions.
What is an example of counterclaim?
Examples of counterclaims include: After a bank has sued a customer for an unpaid debt, the customer counterclaims (sues back) against the bank for fraud in procuring the debt. The court will sort out the different claims in one lawsuit (unless the claims are severed).