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15 questions
Which of the following materials is not lustrous?
Gold
Silver
Wood
Diamond
Which type of the following materials is used for making the front glass (wind screen) of a car?
Transparent
Translucent
Opaque
None of the above
Materials that cannot be compressed easily are called __________
Soft
Rough
Scaly
Hard
Which of the following statements is not true?
Materials are grouped for convenience.
Materials are grouped to study their properties.
Materials are grouped for fun.
Materials are grouped according to their uses.
Shown here is a tent used by a mountain climber.
What are the qualities such a tent MUST have?
1. very light to carry
2. has nice colours
3. easy to wash
4. folds into a small size
Only 1
Only 1 and 2
Only 1 and 4
all - 1,2,3 and 4
Which of the combinations is the odd one out?
Ink and water
Milk and water
Oil and water
Lime juice and water
Which of the following type of bodies form sharp shadows when placed in the path of light?
Transparent
Translucent
Transparent and translucent
Opaque
Mohan is able to bend the rod because it is
light.
hard
water proof.
flexible
An oiled paper act as a _______ material.
Transparent
Translucent
Hard
Opaque
Nisha was making a list of things that are obtained from plants and Amol was making a list of things that can dissolve in water. Which can be grouped in both the list?
Oil
Sugar
Cotton
Table salt
Nina had a mixture of sand and salt. Which of the following properties of salt can she use to separate them?
Salt is white in colour.
Salt dissolves in water.
Salt has a taste.
Salt is a powder.
Ramesh was applying paint on the wall during which some of the paint fell on his hands. Instead of using water, Ramesh used kerosene oil to wash his hands.
Which of the following options explains Ramesh's decision?
Kerosene is softer than water.
Kerosene smells better than water.
Paints dissolve in kerosene and not in water.
Kerosene is more easily available than water.
Which among the following are commonly used for making safety pin?
Wood and Glass
Plastic and Glass
Leather and plastic
Steel and plastic
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