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What else can I help you with?
Are most chemical changes seen or not seen?
Most chemical changes happen between molecules, so they are unseen.
Where in the plant cell do chemical changes happen?
Cytoplasm
Chemical changes that happen in school?
In a Chemistry Lab because of some of the ongoing experiments gas leakage might happen that pollutes the air . Also some of biological experiments might pollute the environment.
Is a fire a physical or chemical change?
A fire is a chemical change due to the irreversible changes that happen.
What is one way that a chemical change can happen in a household?
Cooking involves chemical changes.
Is heating and cooling are examples of a chemical change?
Heating can be due to a chemical change, for example burning a fuel is in effect a chemical reaction with oxygen. Also some chemical reactions are exothermic, ie they produce heat. Not so many produce cooling, but one is the combination of ice and salt.However heating and cooling happen for other reasons as well, so you can't say they are examples of chemical changes. It is correct to say that some chemical changes result in heating and cooling.
Can you recognize the chemical and physical changes that happen all around us?
The majority of these changes are recognized.
What are some chemical reactions and changes that happen when cleaning pennies?
something
Give two examples that can happen quickly and two that can happen slowly?
gets bigger and changes color
What Must Happen to Cause A Response in an Organism?
Something must change in the internal or external environment of the organism. This change can be physical or chemical and will result in a response from the organism. The scientific name for these changes are stimuli (singular = stimulus), examples of which are touching a hot surface, being scared, exercising and drugs. Hope this helps
What chemical changes happen to water at 98 degrees celsius?
It begins to boil.
What chemical changes will happen when salt water mixed with cement?
magnesium sulphate
