TEST

Question 0

Chemical reaction types

Answer 0

Synthesis 
Decomposition 
Single displacement
Double displacement 
Combustion

Question 1

reactants and products

Answer 1

Reactants ➡️ products

Question 2

Acid

Answer 2

H

Question 3

Base

Answer 3

OH

Question 4

Acid vs base

Answer 4

Acid right base left

Question 5

Endothermic

Answer 5

Take in more energy to break bonds

Question 6

Exothermic

Answer 6

Give out more energy to make bonds

Question 7

Law do conservation of energy

Answer 7

Energy cannot be created or destroyed it can only change forms

Question 8

Physical properties

Answer 8

Can be observed without changing the identity of the substance

Question 9

Physical property example

Answer 9

Multipoint viscosity density solubility hardness Luster malleability ductility

Question 10

Physical change

Answer 10

They usually reversible change in the physical property of a substance change and state or phase

Question 11

Chemical properties

Answer 11

Characteristic that’s observed during a reaction and identity/chemical composition of the substance changes

Question 12

Chemical property example

Answer 12

Flammability pH reactivity and toxicity

Question 13

Chemical change

Answer 13

And irreversible on chemical reaction involving the rearrangement of atoms and a change in their chemical properties

Question 14

Chemical change examples

Answer 14

Burning digesting cooking rust

Question 15

Signs of the chemical reaction

Answer 15

Color change precipitation (solid forming from liquid) gas temperature change

Question 16

Catalyst

Answer 16

Substance that increases the rate of a chemical reaction

Question 17

Inhibitor

Answer 17

The substance that slows the prohibits a chemical reaction
Block entrance
Interact with catalyst to prevent from working

Question 18

Equilibrium

Answer 18

A chemical reaction in which the forward and reverse reactions occur at equal rights