Sorting Materials Into Groups Class 6 Quiz Question with Answer
Sorting Materials Into Groups Class 6 Quiz Question with Answer. CBSE Class 6 Science Lesson 4 Mock Test.
(1) Which one of the following is metal?
(a) Plastic toy
(b) Cotton shirt
(c) Iron and copper
(d) All of the above
Answer: – c) Iron and copper
Explanation: – Iron and copper is metal and other given options are non-metal.
(2) Which of the following material is shiny?
(a) steel spoon
(b) wood
(c) paper
(d) plastic
Answer: – a) steel spoon
Explanation: – steel spoon is metal and metal has the property of shiny appearance, other all given options are non metal.
(3) Which of the following material is hard?
(a) Iron
(b) cotton
(c) sponge
(d) All the above
Answer :- a) Iron
Explanation: – Iron is a metal and it is not easily compressed, thus is the hard material.
Other cotton and sponge are easily compressed and are not hard at all.
(4) Cotton is _________?
(a) soft
(b) hard
(c) both a and b
(d) non of above
Answer: – a) soft
Explanation: – cotton is easy to compress that why it is soft substance.
(5) Books are made up of
(a) leather
(b) plastics
(c) Glass
(d) None of the above
Answer :- d) None of the above
Explanation: – Books is made up of papers which are often made up from the trees.
(6) Which gas is soluble in water?
(a) carbon dioxide
(b) Oxygen
(c) Nitrogen
(d) All of the above
Answer :- b) oxygen
Explanation: – Water is made up of hydrogen and oxygen, thus the oxygen is water dissolved gas.
(7) Which of the following is soluble in water?
(a) Iron powder
(b) sand
(c) sawdust
(d) sugar
Answer :- d) Sugar
Explanation: – Sugar dissolves in water and forms a homogenous mixture. Other given options iron powder, sand and sawdust do not completely dissolve in the water and does not form a homogenous mixture. Hence these are insoluble.
(8) Which of the following is insoluble in water?
(a) Iron powder
(b) sand
(c) sawdust
(d) All the above
Answer: – d) All of the above
Explanation: – All the materials sawdust, sand and iron powder do not mix with water hence these are insoluble.
(9) Which of the following material is transparent?
(a) Glass
(b) water
(c) both a and b
(d) none of the above
Answer: – c) Both a and b
Explanation: – both glass and water are transparent substances as we can see objects clearly through it.
(10) select odd one out from the following:
(a) Glass
(b) Water
(c) Air
(d) Charcoal
Answer: – d) charcoal
Explanation: – glass, water and air will allow the light to pass through it as these are transparent materials, but the charcoal becomes opaque and does not allow the light to pass through it.
(11) Which of the following substance floats on water?
(a) sugar
(b) salt
(c) Coconut oil
(d) All the above
Answer: – c) Coconut oil
Explanation: – coconut oil does not mix with water; it becomes lighter than the water thus separated from it and floats on the surface. Sugar and salt thoroughly dissolves in the water and form a homogenous mixture hence it does not float on the water surface.
(12) Select the wrong pair
(a) sugar and salt – Soluble in water
(b) Glass ,air – Transparent
(c) wax – Soluble in water
(d) Gold and silver- Metallic luster
Answer: – c) wax -Soluble in water.
Explanation: – wax is not soluble in water it is insoluble. It does not mix with water and becomes separate from it hence floats on water. All the other options are correctly paired with each other.
(13) Oily thin paper sheets are?
(a) Translucent
(b) Transparent
(c) Opaque
(d) All of the above
Answer: – a) translucent
Explanation: – oily thin sheets of paper become translucent i.e. through that paper objects can be seen but not clearly.
(14) Which of the following material is made of wood?
(a) Chair
(b) Table
(c) Bullock cart
(d) All of the above
Answer :- d) All of the above
Explanation: – all of these materials are made wood.
(15) Which of the following statement is correct?
(a) All the objects are made up of same kind of matter
(b) The amount of matter in any object is called weight
(c) Gold and aluminium have no lustre
(d) Different types of material have different type of matter in it.
Answer: -d) Different types of material have different type of matter in it.
Explanation: – all the objects are not made up of same kind of matter, different types of materials are made up of different types of matter hence the options is d) is correct.
(16) The material through which objects can be seen but not clearly
(a) Translucent
(b) Transparent
(c) Opaque
(d) None of the above
Answer: – a) translucent
Explanation: – Translucent is a type of material through which the objects can be seen but not clearly.
Transparent is a type of material through which the objects can be seen clearly.
Opaque is a type of material through which the objects cannot be seen at all.