Evidence of Chemical Reactions

Question 1

? + 2 upper N a upper B r right arrow 2 upper N a upper C l plus upper B r subscript 2.

Revolt · Accepted Answer

Cl2

Question 2

right arrow upper M g upper O plus upper H subscript 2. ?

Revolt · Accepted Answer

CO2 + 2H2O

Question 3

2Na + Cl2 ?

Revolt · Accepted Answer

2NaCl

Question 4

Upper A g plus upper N a upper N upper O subscript 3 right arrow upper A g upper n upper O subscript 3 plus upper N a.

Revolt · Accepted Answer

no

Question 5

yes✔ no

Revolt · Accepted Answer

no

Question 6

PbCl2 + MgSO4 ?

Revolt · Accepted Answer

PbSO4 + MgCl2

Question 7

2MgO ?

Revolt · Accepted Answer

2Mg + O2

Question 8

Upper C u plus 2 upper K upper N upper O subscript 3 right arrow upper C u (upper n upper O subscript 3) subscript 2 plus 2 upper K.

Revolt · Accepted Answer

no

Question 9

Which product in the reaction forms a precipitate?

Revolt · Accepted Answer

PbSO4

Question 10

Which product in the reaction forms a precipitate?

Revolt · Accepted Answer

AgCl

Evidence of Chemical Reactions Answers