perubahan kimia dan perubahan fisika

Which of the following is not a physical property of a substance?

• Flammable

• Viscosity

• Toxic

• Mass density

A child is lighting a candle. The chemical change that occurs in this event is...

• Solidifying of the candle at the bottom

• Melting of the burning candle

• Burning of the candle wick

• Formation of clear liquid

Which of the following events shows a physical change?

• 1 and 3

• 4 and 1

• 1 and 2

• 2 and 4

Among the following events, which ones involve a chemical change?

• (2) & (4)

• (1) & (3)

• (3) & (4)

• (1) & (2)

One afternoon, Andi bought a bowl of ice cream to enjoy at home. Upon arriving home, Andi was disappointed to see that the ice cream had melted. This event is called...... and is classified as a change......

• Condensation, physical

• Condensation, chemical

• Melting, physical

• Evaporation, chemical

The material consisting of two or more substances that still have the properties of the original substances is...

Given the following materials: 1) water 2) iron 3) vinegar 4) air 5) oxygen 6) brass. Among the above materials, which are elements?

• 2 and 5

• 2 and 4

• 1 and 3

• 2 and 6

Presented with data on events that occur around us. A solid metal element, A metal element conducts electricity, A metal element conducts heat and is a conductor, The surface of the metal element is not shiny, The metal element can be forged into sheets. The events that include the physical properties of the metal element are...

• 1,3,4,5

• 1,2,4,5

• 1,2,3,5

• 1,2,3,4

From various properties of substances: Consists of various single substances, Can be separated by physical changes, Has a specific composition, The properties of the components are still visible, Can be decomposed by chemical reactions. The properties that belong to compounds are...

Which of the following is not included in the physical properties of a substance?

• Mass density

• Toxic

• Flammable

• Viscosity