MCQ & Online Test – Is Matter Around Us Pure? – NCERT Class 9 Science Chapter 2

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Online Test | MCQ Is Matter Around Us Pure? | NCERT Class 9 Science Chapter 2 | CBSE Syllabus

Every student of class 9 of NCERT/CBSE syllabus may take part this online test of NCERT Class 9 Science Chapter 2 MCQ Is Matter Around Us Pure? and verify his score to check preparedness

#1. Which is a homogeneous mixture

#2. For separating cream from milk which of the following technique will be used

#3. Arun has prepared 0.01% (by mass) solution of sodium chloride in water. Which of the following correctly represents the composition of the solutions?

#4. Rusting of an article made up of iron is called

#5. Which are examples of physical changes - a. melting of iron metal, b. rusting of iron, c. bending of an iron rod, d. drawing a wire of iron metal ?

#6. Tincture of iodine is made by dissolving

#7. Two chemical species X & Y combine together to form a product P which contains both X & Y. X & Y can not be broken into simpler substances by simple chemical reactions. Which are correct - a) P is a compound, b) X & Y are compounds, c) X & Y are elements, d) P has a fixed composition?

#8. A mixture of sulphur & carbon disulphate is

#9. Which statements are true for pure substance - a. Pure substances contain only one kind of particles, b. Pure substances may be compounds or mixtures, c. Pure substances have the same composition throughout, d. Pure substances can be exemplified by all elements other than nickel ?

#10. Two substances A & B react & form a third substance - 2A + B = A2B. Which statements are false in this case - a. A2B shows the properties of A & B, b. A2B always has a fixed composition, c. A2B cannot be classifies as compound, d. A2B is an element ?

#11. Solution of NaCl in water & solution of starch in water are tested for Tyndall effect with the help of a torch. The result obtained is

#12. Select the option where both are homogeneous - a) Air, b) Ice, c) Wood, d) Soil?

#13. Which are chemical changes - a) decaying of wood, b) burning of wood, c) sawing of wood, d) hammering of a nail into a piece of wood?

#14. On many medicine bottle it is written 'shake well before use'. Can you tell what type of mixture the bottle is containing?



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