Matter & Materials-Test-2


Matter and materials

  1. Plastic is a:

A. Natural material

B. Man made material

C. Any of these

 

  1. Which of the following is/are example/s of irreversible changes?

A. Melting of an ice

B. Burning paper to ash

C. Stretching a rubber band

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  1. Look at the given picture carefully. The objects in the given table are categorized into different groups according to:

A. Their hardness

B. The form in which it exists in nature

C. Whether it can be recycled or not

 

  1. Iron is made up of combination of:

A. Metal             B. Wood             C. Glass

D. Plastic           E. Fibre

 

  1. Which of the following properties of material “X” must be taken into consideration to make a tent?

A. Hardness      B. Heavy            C. Strong

D. Flexible         E. Waterproof

 

  1. Which of the following items will float on water when dropped in water tank?

A. Rubber cork

B. Glass

C. Pencil

D. Dumbbells

E. None of these

 

Answer Keys

(1)–B; (2)–B; (3)–A; (4)–(A,D); (5)–(C,D,E); (6)–(A,C)