Questions


October 2021 2 47 Report
1.The property of matter when an object changes shape when struck by a hard object like hammer *

A.luster
B.malleability
C.brittleness
D.ductility

2.How many different elements are in this chemical formula: C2H2ClK3 *

A.8
B.6
C.4
D.2

3Handle of cooking pans are made of wood or sometimes covered with plastic materials . What do you think is the reason for this? *

A.Woods and plastics are cheap
B.Woods and plastics are light materials
C.Woods and plastics are good conductors of heat
D.Woods and plastics are poor conductors of heat

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