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Is anhydrous calcium chloride dangerous when it becomes wet?
Yes, anhydrous calcium chloride is hygroscopic, meaning it absorbs water from its surroundings. When it becomes wet, it can release heat rapidly and cause burns or irritation on contact with skin. It can also release irritating or harmful fumes if it comes in contact with water.
What gets longer the shorter it gets?
A candle. As it burns, it gets shorter in length but longer in wax height.
What is it called when an engine burns fuel inside itself?
An engine that burns fuel inside itself is officially known as an internal combustion engine. Most cars have these.
What happens when a star burns all of its hydrogen?
When a star burns up all of its hydrogen,it becomes red in color.As hydrogen is the fuel for star and it will burst after it.
What get's shorter as it get's older?
A candle. As it burns and melts, the wax decreases in length.
How does a candle change physically?
As a candle burns, the candle becomes smaller as the wax melts.
What causes a giant?
After a star burns up all it's hydrogen, it becomes a red giant.
What the of change is a change of state?
The solid wax of the candle melts, and eventually vapourises, then burns and becomes a gas.
What evidence is there when a candle burns that a physical change takes place?
The was becomes liquid and drips down the rest of the candle.
What gets shorter as it grows older?
A candle gets shorter as it grows older. As the wax melts away while the candle burns, its height decreases over time. This phenomenon illustrates how the consumption of the candle affects its physical size as it ages.
What is pojectile in physics?
A projectile is any moving object which does not propel itself. For example a rocket burns fuel to propel itself through the sky whilst a shell fired from a cannon has no way to propel itself.
Why must the hair be completely dry before pressing?
Because it burns your hair, and then it becomes split ends really bad!
