Don't understand the text, but water always freezes at 0°C as long as its water.
Answer:
It is due to the nature of the reactants
Explanation:
To ignite a solid, we require more heat component compared to liquids and gases. For ignition to occur, oxygen gas combines with a reactant in most cases.
Some factors affect the rate rate at which a chemical proceeds. One of the factors is the nature of reactants.
The solid phase is very slow while the gaseous phase is rapid and fast.
solid phase < liquid phase < gas phase
Gases are free and the molecules move in all direction. They easily combine and react very fast.
Answer:
An element is made of atoms
Explanation:
Answer:
C. Yes, because they have a definite composition.
Explanation:
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Answer:
4
Explanation:
4.They are different states of the same pure substance
