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What shows in reaction that chemical change has take place?
a reaction has taken place when one or more of the following occur : - a new substance is formed - change in colour - precipitate is formed
Which substance shows a substance that is not molecular?
A formula unit.
What shows the chemical makeup of a pure substance?
a chemical formula
What is chemical equeation?
Chemical equations show what happens when a chemical change occurs. For example, in the combustion of Hydrogen(H2), water(H2O) is formed. The chemical equation for this reaction is: 2H2 + O2 -----> 2H2O This chemical equation shows that when H2 reacts with O2 , H2O is formed.
What formula shows a substance that is not molecular?
The chemical symbol is only for atoms, not for molecules.
What shows in reaction that chemical change has take place?
a reaction has taken place when one or more of the following occur : - a new substance is formed - change in colour - precipitate is formed
Which substance shows a substance that is not molecular?
A formula unit.
The passage she was a large women with a large purse is an example of?
That shows a character being described.
What material is used to show the presence of a substance?
An indicator shows the presence of another substance.
What state is the substance in if a phase diagram shows the substance is in the state at 1 ATM and -50C?
gas
Why do you bleed white substance?
You do this because it shows you are not pregnant. and the substance that's white is called discharge!
What scale is pH?
PH scale is a scale that shows the substance is PH ....... Example: The substance is PH 7, so it is neutral The substance is PH 3, so it is acid The substance is PH 10, so it is alkali
What is the chemical called that shows substance?
You think probable to molecules.
What shows the chemical makeup of a pure substance?
a chemical formula
What shows the ratio of how a compound is formed?
Its chemical formula.
Which is not true about the chemical formula of a substances?
which is not true about the chemical formula of a sbstance? a.it gives the number and kinds of atoms present. b.it shows that a substance has a definite compound. c.it shows the elements present in the compound. d.it shows the phase of a substance.
What is an example that shows conjecture is not true?
A counter-example.
