Question

Fill in the blanks.
1.The smallest particle of a compound that retains all is properties is a.............
2.The state of a substance is changed in a...........change
3. The chemical formula for aluminium chloride is...........
4 ..........involves coating an iron object with tin
5. The.........gas turns lime water cloudy​

Answer 1

Answer:

1. The smallest part of a compound which still retains the properties of the compounds (the combination of atoms) is called a molecule.
2. Liquid to Gas A change of state is the change of a substance from one physical form to another. All changes of state are physical changes. The particles have different amounts of energy when the substance is in different states.
3. IUPAC ID:

• aluminium chloride
• Molar mass: 133.34 g/mol
• Melting point: 192.4 °C

1. Tinning is the process of thinly coating sheets of wrought iron or steel with tin, and the resulting product is known as tinplate.
2. Carbon dioxide reacts with calcium hydroxide solution to produce a white precipitate of calcium carbonate.