{"id":5026,"date":"2020-08-30T11:41:59","date_gmt":"2020-08-30T06:11:59","guid":{"rendered":"https:\/\/kseebsolutions.guru\/?p=5026"},"modified":"2021-07-02T15:04:05","modified_gmt":"2021-07-02T09:34:05","slug":"kseeb-solutions-class-8-science-chapter-16","status":"publish","type":"post","link":"https:\/\/kseebsolutions.guru\/kseeb-solutions-class-8-science-chapter-16\/","title":{"rendered":"KSEEB Solutions for Class 8 Science Chapter 16 States of Matter"},"content":{"rendered":"

Karnataka Board Class 8 Science Chapter 16 States of Matter<\/h2>\n

KSEEB Class 8 Science Chapter 16 Textual Questions & Answers<\/h3>\n

I. Four alternatives are given to each of the following incomplete statements question. Choose the right answer.<\/p>\n

Question 1.
\nWhich one of the following does not hold good for liquid
\n(a) They have definite volume
\n(b) They are slightly compressible than solids
\n(c) Molecules are free to move within the substance
\n(d) They have definite shape and size.
\nAnswer:
\n(d) They have definite shape and size.<\/p>\n

Question 2.
\nWhich of the following is not a pure substance
\na) Common salt
\nb) sugar
\nc) Rain water
\nd) Iron
\nAnswer:
\nc) Rain water<\/p>\n

Question 3.
\nThe component which is not present in air is
\na) Nitrogen
\nb) Oxygen
\nc) Carbon dioxide
\nd) Chlorine
\nAnswer:
\nd) Chlorine<\/p>\n

Question 4.
\nButter is an example for
\na) Liquid in solid
\nb) Solid in liquid
\nc) Liquid in liquid
\nd) Solid in solid
\nAnswer:
\nb) Solid in liquid<\/p>\n

II. Answer the following.<\/p>\n

Question 1.
\nWrite any four differences between solid, liquid and gases.
\nAnswer:<\/p>\n\n\n\n\n\n\n\n
Solids<\/td>\nLiquids<\/td>\nGases<\/td>\n<\/tr>\n
1) Particles are closely packed<\/td>\nParticles are free to move within substances<\/td>\nParticles are not fixed to a position and are more free than liquids.<\/td>\n<\/tr>\n
2) They have definite shape<\/td>\nThey assume the shape of container<\/td>\ndo not have definite shape<\/td>\n<\/tr>\n
3) They posses definite volume<\/td>\nThey have definite volume<\/td>\ndo not have definite volume<\/td>\n<\/tr>\n
4) Very low compressibility<\/td>\nSlightly more compressible than solids<\/td>\nCompressibility is very high.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Question 2.
\nDifferentiate between a homogeneous and heterogeneous solution with an example.
\nAnswer:<\/p>\n\n\n\n\n\n\n
Homogeneous solution<\/td>\nHeterogeneous Solution<\/td>\n<\/tr>\n
A mixture in which different constituents mix uniformly<\/td>\nA mixture in which different constituents do not mix uniformly<\/td>\n<\/tr>\n
The components of the mixture are not visible<\/td>\nThe components of the mixture are visible<\/td>\n<\/tr>\n
Eg:- Alloys, Air crude oil<\/td>\nEg:- Mixture of water and oil, Mixture of salt and copper sulfate<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Question 3.
\nGive an example to each of the following<\/p>\n

    \n
  1. \u00a0Suspension<\/li>\n
  2. \u00a0Colloidal solution<\/li>\n<\/ol>\n

    Answer:<\/p>\n

      \n
    1. Suspension – Sawdust added to water<\/li>\n
    2. Colloidal solution – Milk<\/li>\n<\/ol>\n

      Question 4.
      \nDefine<\/p>\n

        \n
      1. \u00a0Tyndall Effect<\/li>\n
      2. \u00a0Brownian movement<\/li>\n<\/ol>\n

        Answer:<\/p>\n

          \n
        1. \u00a0Tyndall Effect\n