Sorting materials into groups MCQs with Answers

Question-1. Water plays an important role in the functioning of our body because it

1. Dissolves a large number of substances
2. Is hard
3. Is transparent
4. None of the above.

Question-2. We group things together because

1. Dividing materials in groups makes it convenient to study their properties and observe patterns in these properties.
2. We can throw away similar materials
3. We can keep similar materials in our rack at one place
4. We can keep similar materials on the palm

Question-3. Which of the following is transparent?

1. Milk
2. Iron
3. Glass
4. Wood

Question-4. Materials that cannot be compressed easily are called…..........materials.

1. Soft
2. Rough
3. Scaly
4. Hard

Question-5. Take a glass of water. Add two spoons of sugar. Stir it. You observe that

1. Sugar does not dissolve in water
2. Sugar dissolves in water
3. Sugar floats on water
4. Sugar sinks and stays below.

Question-6. You have made four cups of instant coffee. One has one teaspoon of coffee, the second has two, the third has three, and last four teaspoons of coffee. Which is the most saturated?

1. The first cup with one teaspoon of coffee.
2. The second cup with two teaspoons of coffee.
3. The third cup with three teaspoons of coffee.
4. The fourth cup with four teaspoons of coffee

Question-7. Take two samples, one of oil and the other of water. Mix the two. You observe that

1. They are soluble
2. Oil floats on water
3. Water floats on oil
4. None of the above

Question-8. An oiled paper acts as a…............material.

1. Transparent
2. Translucent
3. Lustrous
4. opaque

Question-9. Which one of the following is insoluble in water?

1. Alcohol
2. Sodium chloride
3. Coconut oilcorrect
4. Sugar

Question-10. A transparent substance is one that

1. allows the light to pass through it
2. does not allow the light to pass through it
3. allows light partly to pass through it
4. None of the above

Question-11. Which one of the following is different from others ?

1. Aluminium
2. Iron
3. Silver
4. Sand

Question-12. Which one will show a metallic lustre?

1. Any surface of a metal
2. Freshly cut surface of a metal
3. Freshly cut surface of non-metal
4. Surfaces of all materials

Question-13. Which of the following objects can be grouped together based on having rough surface ?

1. Apple, Glass
2. Doormat, Sand paper
3. Teddy bear, Doormat
4. None of these

Question-14. Select the one that is not made up of the same materials as others

1. Book
2. Note books
3. Table
4. All are made of the same material

Question-15. Find the odd one out from the following.

1. Chair
2. Bed
3. Table
4. Cat

Question-16. Pick One Material From The Following, Which Is Completely Soluble In Water

1. Chalk powder
2. Tea leaves
3. Glucose
4. Sawdust

Question-17. Choose the opaque object from the following:

1. Charcoal
2. Air
3. Glass
4. Water

Question-18. Choose the opaque object from the following:

1. Charcoalcorrect
2. Air
3. Glass
4. Water

Question-19. Wood Is Used As A Fuel. Which Property Makes It Suitable For This Purpose

1. Combustibility
2. Density
3. Viscosity
4. Immiscibility

Question-20. Which of the following is hard?

1. Cotton
2. Sponge
3. Iron
4. Mirror

Question-21. The hardest substance is

1. diamond
2. graphite
3. chalk
4. sulphur

Question-22. Which Of The Following Statements Is Incorrect?

1. Dividing materials into groups make it convenient to study their properties
2. Materials are grouped together on the basis of only similarities
3. Different types of materials have different properties
4. Objects around us made up of a variety of materials

Question-23. Which of the following cannot be grouped in the same group as others on the basis of their shape?

1. Football
2. Cricket ball
3. Glass marble
4. Tripod stand

Question-24. Dividing materials in groups is done

1. for convenience
2. for easily observing any pattern in their properties
3. for both the above
4. neither for (a) nor for (b)

Question-25. Which is a set of transparent materials?

1. Glass and air
2. Water and glass
3. Water and air
4. All of these

Question-26. Which of the following is soluble in water ?

1. Glycerine
2. Sand
3. Iron filings
4. Oil

Question-27. Which of the following gets reddish brown in colour on exposure to air?

1. Gold
2. Silver
3. Iron
4. Aluminium

Question-28. Which of the following has reddish brown colour?

1. Gold
2. Copper
3. Iron
4. Brass

Question-29. Which of the following is correct for the term ?Lustre??

1. Hardness
2. Softness
3. Dull appearance
4. Shiny appearance

Question-30. Which of the following is soft?

1. Iron
2. Wood
3. Cotton
4. Stone

Question-31. Water is said to play an important role in the functioning of our body. Why?

1. It is an exilir liquid for life
2. It quenches our thirst
3. It can dissolve a large number of substances
4. Both (a) and ©

Question-32. Mustard oil and kerosene are the examples of in water liquids.

1. miscible
2. immiscible
3. viscous
4. sticky

Question-33. Find the odd one out from the following.

1. Nail
2. Utensils
3. Magnet
4. Glass beaker

Question-34. Which of the following does not belong to the same group as others?

1. Orange
2. Apple
3. Glass
4. None of these

Question-35. Which of the following does not belong to the group of shiny materials?

1. Paper
2. Card-board
3. Chalk
4. All of these

Question-36. Which one of the following has hard surface?

1. Pillow
2. Blanket
3. Stone
4. Cushion

Question-37. Pliers used by electrician usually have plastic cover on the handle. Why?

1. Plastic is a bad conductor of heat
2. Plastic is water resistant
3. Plastic is bad conductor of electricity
4. All of these

Question-38. Select the object (s) from the following options which has shine.

1. Plastic toy
2. Steel spoon
3. Wooden spoon
4. Both (b) and ©

Question-39. Find the odd one out from the following.

1. Rose
2. Jasmine
3. Boat
4. Marigold

Question-40. Which of the following object will sink in water?

1. Rose petals
2. Brick
3. Saw dust (
4. All of these

Question-41. Identify the materials(s) miscible in water?

1. Salt
2. Sugar
3. Vinegar
4. All of these

Question-42. Which of the following is a water soluble material?

1. Sand
2. Blue Vitriol
3. Kerosene
4. Saffron

Question-43. Sand and pebbles are grouped differently because

1. Sand is opaque and pebbles are translucent
2. Sand is smooth and pebbles are rough
3. Sand is rough and pebbles are smooth
4. Sand floats and pebbles sink in water

Question-44. Select the one used as a basis for grouping of objects

1. shape of the objects
2. materials of which they are made
3. Both the above
4. None of the above

Question-45. Which of the following is good conductor of heat?

1. Silver
2. Paper
3. Wood
4. Plastic

Question-46. The materials are grouped into various categories on the basis of :

1. similarities and differences in their properties
2. nature, size, shape and colour
3. solubility, use, transparency and hardness
4. All of these

Question-47. What makes the basis of sorting materials into groups?

1. Similarities in their properties
2. Differences in their properties
3. Both similarities and differences in their properties
4. All of these

Question-48. Which of the following help us to choose a material for making an object?

1. Some properties of the material
2. Purpose for which we want to use the object
3. Both the properties of the material and the purpose for which the object is to be used
4. None of these

Question-49. Which one of the following is classified as transparent substance?

1. Stone
2. Mirror
3. Glass
4. Card-board

Question-50. Which one of the following is different from others?

1. Sugar
2. Salt
3. Sand
4. Copper sulphate

Question-51. Select odd from the following

1. Tawa
2. Eraser
3. Pressure cooker
4. Fry pan

Question-52. Soluble substances are those

1. that get completely dissolved in water at room temperature
2. that flots on the surface of water
3. that remains undissolved in water
4. None of these is correct

Question-53. Which of the following is the characterstic of materials with lustre

1. Their lustre can be seen when it is freshly cut
2. Their lustre can be seen when it is rubbed with sand paper
3. Both (a) and (b)
4. None of the above

Question-54. Chocolates, biscuits and other items are displayed in a shop in see-through containers that are made of glass or plasti

1. This explains the property of ____ of glass and plastic.
2. Hardness
3. Opaqueness c. Softness
4. transparency

Question-55. Translucent materials are

1. those through which objects can be seen clearly
2. those through which objects can be seen, but not clearly
3. those through which objects cannot be seen
4. None of the above

Question-56. An opaque material is one

1. through which you are not able to see
2. through which you can see clearly
3. through which you can see but not clearly
4. None of these

Question-57. Purpose of sorting material into groups is

1. to rtudy their properties
2. convenience
3. both (a) and 9b)
4. inconvenience

Question-58. An oily thin paper sheet will be

1. transparent
2. translucentcorrect
3. opaque
4. cannot be predicted

Question-59. On the basis of transparency we can group objects in which of the following groups?

1. Transparent substances
2. Opaque substances
3. Translucent substances
4. All the above

Question-60. Which one of the following is not soluble in water?

1. Turmeric powder
2. Common salt
3. Alum
4. All are soluble

Question-61. Which of the following substances dissolve in water?

1. Vinegar
2. Kerosene oil
3. Petrol
4. All of these

Question-62. Which of the following floats on water?

1. Wax
2. Marble
3. Coin
4. Eraser

Question-63. Which of the following is not a transparent substance?

1. Wood
2. Glass
3. Water
4. Air

Question-64. Which of the following is not a solid substances?

1. Wooden block
2. Iron nail
3. Glass tumbler
4. Honey