Combustion is a chemical process and brings about a chemical change in the substance, i.e., the chemical properties of the substance change upon combustion. Read the questions below and try to answer them.
What are inflammable substances. Give two examples.

Explanation

**Step-by-Step Solution:**

1. **Definition of Inflammable Substances:**
Inflammable substances are materials that can easily catch fire and burn in the presence of an ignition source. They have low flash points, which means they can ignite at relatively low temperatures.

2. **Characteristics of Inflammable Substances:**
- They can ignite quickly when exposed to heat or flames.
- They often release energy in the form of heat and light when they combust.
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