SSC MTS EXAM

SSC

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ are things you can observe and describe about matter without changing it chemically.
A
physical changes
B
chemical changes
C
physical properties
D
chemical properties
Explanation: 

Detailed explanation-1: -Physical properties are those which can be observed or measured without changing the composition of matter. They are used to observe and describe matter. Texture, colour, odour.

Detailed explanation-2: -All properties of matter are either physical or chemical properties, and physical properties are either intensive or extensive. Extensive properties, such as mass and volume, depend on the amount of matter being measured.

Detailed explanation-3: -Chemical Properties of Matter Reactivity, flammability, and the ability to rust are among them. The tendency of matter to react chemically with other substances is known as reactivity. Flammability, toxicity, acidity, the reactivity of various types, and heat of combustion are examples of chemical properties.

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