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What type of change, physical or chemical, takes place in each of the following?

a. Water vapour condenses to form rain.

b. Cesium metal reacts explosively with water.

c. Gold melts at 1064 degrees

d. A puzzle is cut into 1000 pieces.

e. Cheese is grated.

Short Answer

Expert verified

a. physical

b. chemical

c. physical

d. physical

e. physical

Step by step solution

01

introduction

Actual property is the property that can be noticed or estimated without changing the component, similar to variety, shape and volume.

Compound properties portray the capacity of a substance to change into another substance.

02

explanation

a. For this situation, there is a change in the actual condition of water from a vaporous stage to rain (fluid). Thus, it is an actual change.

b. Cesium responds with water to frame Cesium hydroxide. The compound idea of metal gets changed. In this way, it is a compound change.

c. Melting point mirrors an actual change in state from strong to fluid here. Along these lines, it is an actual change.

d. Just the size of the puzzle is diminished. There is no adjustment to the compound nature of the substance. In this way, it is an actual change.

e. At the point when cheddar is ground, the size gets decreased without insect change in the synthetic idea of the cheddar. In this way, it is an actual change.

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