Class 6 Science MCQ Sorting Materials Into Groups

Question : Those liquids which do not mix well with water, are said to be in water.

(a) miscible
(b)immiscible
(c)opaque
(d)transparent

Question : Those substances or materials across which things can be seen are called:

(a) opaque
(b)transparent
(c)translucent
(d)none of these

Question : The materials across which we are not able to see, are called:

(a) transparent
(b)translucent
(c)opaque
(d)none of these

Question : The materials across which things are only partially visible, are called:

(a) translucent
(b)transparent
(c)opaque
(d)none of these

Question : Those substances which allow the transfer of heat through them are called:

(a) conductors of heat
(b)non-conductors of heat
(c)translucent
(d)opaque

Question : We group things together because_________

(a) Dividing materials in groups makes it convenient to study their properties and observe patterns in these properties.
(b) We can throw away similar materials
(c) We can keep similar materials in our rack at one place
(d) We can keep similar materials on the palm

Question : The materials, through which objects can be seen, but not clearly, are known as _____.

(a) Transparent
(b) Translucent
(c) Opaque
(d) Soluble

Question : Choose the opaque object from the following:

(a) Charcoalcorrect
(b) Air
(c) Glass
(d) Water

Question : An oily thin paper sheet will be

(a) transparent
(b) translucent
(c) opaque
(d) cannot be predicted

Question : Newspaper, note book, books and calendars etc. are made by:

(a) iron
(b) wood
(c) paper
(d) none of these

Question : Which of the following is not a matter?

(a) Carbon
(b) Air
(c) Milk
(d) Sadness

Question : Which one is not a transparent object?

(a) Clean water
(b) Glass
(c) Thin sheet of plastic
(d) Muddy water

Question : Which is a set of transparent materials?

(a) Glass and air
(b) Water and glass
(c) Water and air
(d) All of these

Question : Metals which have a lustre are called:

(a) none-lustrous materials
(b) lustrous materials
(c) rough
(d) none of these

Question : Which of the following has a fixed shape?

(a) Iron
(b) Oxygen
(c) Milk
(d) Carbon dioxide

Question : Which type of material is used to make wind screen of a car?

(a) Transparent
(b) Translucent
(c) Opaque
(d) Semi-transparent

Question : Which one of the following is not soluble in water?

(a) Turmeric powder
(b) Common salt
(c) Alum
(d) All are soluble

Question : Which of the following gets reddish brown in colour on exposure to air?

(a) Gold
(b) Silver
(c) Iron
(d) Aluminium

Question : Which gas is responsible for fizz in soft drinks?

(a) Oxygen
(b) Hydrogen
(c) Nitrogen
(d) Carbon dioxide

Question : Which Of The Following Statements Is Incorrect?

(a) Dividing materials into groups make it convenient to study their properties
(b) Materials are grouped together on the basis of only similarities
(c) Different types of materials have different properties
(d) Objects around us made up of a variety of materials

Question : Which of the following floats on water?

(a) Wax
(b) Marble
(c) Coin
(d) Eraser

Question : Which of the following is soft?
(a) Iron
(b) Wood
(c) Cotton
(d) Stone

Question : What makes the basis of sorting materials into groups?

(a) Similarities in their properties
(b) Differences in their properties
(c) Both similarities and differences in their properties
(d) All of these

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

(a) Combustibility
(b) Density
(c) Viscosity
(d) Immiscibility

Question : Materials that cannot be compressed easily are called __________materials.

(a) Soft
(b) Rough
(c) Scaly
(d) Hard

Question : Chocolates, biscuits and other items are displayed in a shop in see‐through containers that are made of glass or plastic. This explains the property of ____ of glass and plastic.

(a) Hardness
(b) Opaqueness
(c) Softness
(d) transparency

Question : An oiled paper acts as a ____ material.

(a) Transparent
(b) Translucent
(c) Lustrous
(d) opaque

Question : Which of the following is transparent?

(a) Milk
(b) Iron
(c) Glass
(d) Wood

Question : 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?

(a) The first cup with one teaspoon of coffee.
(b) The second cup with two teaspoons of coffee.
(c) The third cup with three teaspoons of coffee.
(d) The fourth cup with four teaspoons of coffee.

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

(a) They are soluble
(b) Oil floats on water
(c) Water floats on oil
(d) None of the above

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

(a) Sugar does not dissolve in water
(b) Sugar dissolves in water
(c) Sugar floats on water
(d) Sugar sinks and stays below.

Question : Water plays an important role in the functioning of our body because it ______

(a) Dissolves a large number of substances
(b) Is hard
(c) Is transparent
(d) None of the above.

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

(a) miscible
(b) immiscible
(c) viscous
(d) sticky

Question : Which is a set of transparent materials?

(a) Glass and air
(b) Water and glass
(c) Water and air
(d) All of these

Question : Which of the following has reddish brown colour?

(a) Gold
(b) Copper
(c) Iron
(d) Brass

Question : Which of the following has a fixed shape?

(a) Iron
(b) Oxygen
(c) Milk
(d) CO2

Question : Which of the following is hard?

(a) Cotton
(b) Sponge
(c) Iron
(d) Mirror

Question : An oily thin paper sheet will be

(a) transparent
(b) translucentcorrect
(c) opaque
(d) cannot be predicted

Question : Which one of the following is insoluble in water?

(a) Alcohol
(b) Sodium chloride
(c) Coconut oilcorrect
(d) Sugar

Question : Pick One Material From The Following, Which Is Completely Soluble In Water

(a) Chalk powder
(b) Tea leaves
(c) Glucose
(d) Sawdust