Question

12) Assertion and Reason For question number 1 to 5 two statements are given one label assertion and the other level reason select the correct answer of these questions from the is given below 1)When both A and R are true to and R is the correct explanation of assertion 2)Both A and Rare true but R is not the correct explanation of the assertion 3)A is true but R false 4)A is first but Ris true

i) assertion: metals are electropositive elements Reason: metals form positive ions by losing electrons

ii) assertion: reactivity series is an arrangement of element based on their reactivity Reason: reactivity series is used to separate elements based on their activity

iii) assertion: an acid can be diluted by adding water to it Reason: if water is added to concentrated acid to dilute it then a large amount of heat is evolved at once

iv) assertion: nitric acid is a powerful oxidising agent Reason: nitric acid dilute or concentrated form produces hydrogen gas with metals

v) assertion: the inner lining of small intestine has numerous finger like projections called villi Reason: the will increase the surface area of absorption​

Answer 1

Answer:

True

False

True

False

False