Chemistry MCQS for Class 10
Water molecule show structure.
Pentagonal
Tetrahedral
Trigonal
All of them
The percentage of ocean in world water is.
50%
97%
67%
25%
Neurological damage is caused by the poisoning of.
Cadimium
Lead
Mercury
All of them
The depletion of which gas results in the death of aquatic life.
Boath of them
Oxygen
Carbon di oxide
Nome of them
The surface tension of water is:
high
very low
zero
moderate
Which one of the diseases causes severe diarrhea and can be fatal?
Jaundice
Dysentery
Cholera
Typhoid
Which process is responsible for ascending of water in roots:
transpiration
capillary action
evaporation
condensation
Water which produces good lather with soap is called.
Soft water
Heavy water
Hard water
All of them
Which element do not causes toxicity in water?
Sodium
Arsenic
Lead
Mercury
Temporary hardness in water can he removed by.
All of them
Using sodium zeolite
Using washing soda
Boiling Method
Continue Reading Go to Next Page
Google Ads
Leave a Reply