What are types of chemical reaction from following options?

Synthesis,Decomposition,single replacement,double replacement

Decomposition,Synthesis, and Single replacement

What Makes Chemical Equations Balanced?

Same Number of atoms of each element in both side of reaction

same number of molecues in atoms

Same number of chemical reaction

What is chemical formula?

Tells the number of atoms of each element a compound . Subscrpit tells number of element in a molecues

A chemical symbol that has symbol

Tells the number of atoms in chemical reaction

What is the LAW of Conservation of Mass?

Chemical equation must be balanced because matter cannot be created or destoryed.

The number in front of an atom tells you how many atom there are in each molecues reaction

the number of atoms in reaction

Chemical Reactions can be also define as Cofficient?

WHAT IS THE DIFFERENT BETWEEN A SYNTHESIS REACTIONS AND DECOMPOSITION REACTIONS?

SYNTHESIS IS TO MAKE OR COMBINE

THEY ARE OPPOSITE OF EACH OTHERS

Chemical Reactions/Equations Test

13 Questions | By Kafleur | Updated: Mar 18, 2022 | Attempts: 1586

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Questions and Answers

1.

What is chemistry?
- A.
  
  The study of matter and show matter change
- B.
  
  The study of the properties of matter and how matter change
- C.
  
  None above
- D.
  
  The study of ice melting from one point to other
Correct Answer
A. The study of matter and show matter change
2.

Chemical Equations Are used to describe Chemical Equations
- A.
  
  True
- B.
  
  False
Correct Answer
B. False
3.

What are types of chemical reaction from following options?
- A.
  
  Synthesis,Decomposition,single replacement,double replacement
- B.
  
  Decomposition,Synthesis, and Single replacement
- C.
  
  Decomposition
- D.
  
  All Above
Correct Answer
A. Synthesis,Decomposition,single replacement,double replacement
4.

What Makes Chemical Equations Balanced?
- A.
  
  Same Number of atoms of each element in both side of reaction
- B.
  
  Same number of molecues in atoms
- C.
  
  Same number of chemical reaction
- D.
  
  None above
Correct Answer
A. Same Number of atoms of each element in both side of reaction
5.

What is chemical formula?
- A.
  
  A chemical symbol that has symbol
- B.
  
  Tells the number of atoms of each element a compound . Subscrpit tells number of element in a molecues
- C.
  
  Tells the number of atoms in chemical reaction
- D.
  
  All Above
Correct Answer
B. Tells the number of atoms of each element a compound . Subscrpit tells number of element in a molecues
6.

What is the LAW of Conservation of Mass?
- A.
  
  CAN DESTORY OR CREATED
- B.
  
  Chemical equation must be balanced because matter cannot be created or destoryed.
- C.
  
  Cannot be created or destorey
- D.
  
  Chemical equations
Correct Answer
B. Chemical equation must be balanced because matter cannot be created or destoryed.
7.

WHAT IS COEFFICIENT?
- A.
  
  The number in front of an atom tells you how many atom there are in each molecues reaction
- B.
  
  The number of atoms in reaction
- C.
  
  Chemical Reactions can be also define as Cofficient?
- D.
  
  What is ZChemcial REqaction
Correct Answer
A. The number in front of an atom tells you how many atom there are in each molecues reaction
8.

WHAT is the Coefficient?N2 + H2 <(Makes) NH3

Correct Answer
N2 + 3H2 Makes 2NH3
9.

Is A + B = AB A SYNTHESIS REACTION
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
10.

WHAT IS THE DIFFERENT BETWEEN A SYNTHESIS REACTIONS AND DECOMPOSITION REACTIONS?
- A.
  
  SYNTHESIS IS TO MAKE OR COMBINE
- B.
  
  DECOMPOSITION IS TO BREAK DOWN
- C.
  
  THEY ARE OPPOSITE OF EACH OTHERS
- D.
  
  ALL ABOVE
Correct Answer
D. ALL ABOVE
11.

IS Chemical Equations same as Chemical Reactions
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
12.

BOUNS QUESTION: CAN CHEMICAL EQUATIONS BE NOT EQUAL
- A.
  
  True
- B.
  
  False
Correct Answer
B. False