Question

6. Assertion A: At construction sites the pebbles and such other impurities are removed from sand by the process of sieving. Reason R: In the process of sieving we make use of the difference in size of particles to separate them. A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is not the correct explanation of A. C) A is true but R is false. D) A is false but R is true. 7. Assertion A: The process of settling of heavier insoluble particles from a suspension of a substance in water known as decantation. Reason R: This process along with sedimentation is used to get clear water from muddy water. A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is not the correct explanation of A. C) A is true but R is false. D) A is false but R is true. 8. Assertion A: The process of conversion of liquid water to its vapours by heating the liquids called evaporation. Reason R: The process of conversion of water vapours to liquid by cooling the vapours is called condensation. A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is not the correct explanation of A. C) A is true but R is false. D) A is false but R is true. 9. Assertion A: Burning of paper is a physical change. Reason R: The products formed on burning of paper cannot be easily converted back to paper. A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is not the correct explanation of A. C) A is true but R is false. D) A is false but R is true. 10 Assertion A: A saturated solution is that solution which can dissolve any more of solute only on heating. Reason R: If a saturated solution is cooled some of the solute can be seen at the bottom of the container. A) Both A and R are true and R is the correct explanation of A. B) Both A and R are true but R is not the correct explanation of A. C) A is true but R is false. D) A is false but R is true.​

Answer 1

Answer:

India comprises most of the Indian subcontinent situated on the Indian Plate, the northerly portion of the Indo-Australian Plate. Having a coastline of over 7,000 km (4,300 miles), most of India lies on a peninsula in southern Asia that protrudes into the Indian Ocean.