Q5 of 58 Page 34

Write true or false for the following statements:

The decomposition reaction of silver bromide into silver and bromine by light is used in the manufacturing of cement.

False

The decomposition reaction of silver bromide into silver and bromine by light is used in black and white photography.


The reaction that takes place is:


2AgBr + sunlight → 2Ag + Br2


Hence, the give statement is false.


More from this chapter

All 58 →
3

Write true or false for the following statements:

On heating the crystals of lead nitrate crystals, the emission of brown fumes occurs.

 4

Write true or false for the following statements:

The thermal decomposition reaction of calcium sulphate (gypsum) is used in black and white photography.

 6

Write true or false for the following statements:

The insoluble substance formed during a chemical reaction is known as a precipitate.

 7

Write true or false for the following statements:

During endothermic reactions, heat is transferred from the reacting substances to the surroundings.