Fill in the blanks.
1. ____ is a substance that burns.
2. The temperature at which a substance burns is called its
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Answer:
1.sodium hydroxide
2.100°celsius or 32°Fahrenheit
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Answer:
1. Substances that undergo combustion are called combustible substances. It may be a solid, liquid or gas. Along with heat, some produce flame or glow. The substances which vaporize during burning give flames.
2. temperature at which a substance catches fire is called its ignition temperature. When a substance starts burning heat is produced and it helps to burn the substance continuously.
Explanation:
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