Sorting Materials Into Groups

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Question

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Question 1 : On 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
Answer
13320

Question 2 : Which show a metallic lustre?
1. Freshly cut surface of a metal
2. Surfaces of all materials
3. Freshly cut surface of non-metal
4. Any surface of a metal
Answer
13321

Question 3 : An oily thin paper sheet will be
1. opaque
2. transparent
3. translucent
4. None of these
Answer
13322

Question 4 : Purpose of sorting material into groups is _____________
1. to rtudy their properties
2. convenience
3. to rtudy their properties and convenience
4. None of these
Answer
13323

Question 5 : _____________ are transparent materials
1. Glass and air
2. Water and glass
3. Water and air
4. All of these
Answer
13324