Sarthaks Test
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Classify the following as physical or chemical properties 

(a) The composition of a sample of steel is: 98% iron, 1.5% carbon and 0.5% other elements. 

(b) Zinc dissolves in hydrochloric acid with the evolution of hydrogen gas. 

(c) Metallic sodium is soft enough to be cut with a knife. 

(d) Most metal oxides form alkalis on interacting with water.

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Physical properties – (a) and (c) 

Chemical properties – (b) and (d)

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