Chemistry MCQS for Class 10
Industrial effluents are highly
Toxic organic compounds.
All of them
Heavy metals
Inorganic salts.
The chemical used in Clark’s method is:
sodium zeolite
slaked lime(Ca(OH)s)
washing soda
CaO
Vibrious cholera causes.
Fluorsis
Choleera
Hepatitis
Dysentery
Cholera is caused by
Protozoa
Virus
Fungi
Bacteria
Which process is responsible for ascending of water in plants from roots to leaf?
Transpiration
Evaporation
Condensatin
Capillary action
The density of water is …………….. at 4 oC
1 gcm-1
3 gcm-1
4 gcm-1
2 gcm-1
Which one of the properties of water is responsible for rising of water plants?.
Capillary action.
Surface tension
Specific heat capacity
Excellent solvent action
Which of the following in insoluble in water.
KCl
NaCl
All of them
Benzene
A sea level the boiling point of water is.
110oC
100oC
0oC
98oC
Which disease cause when humans use water of industrial effuents.
Jaundica
Cholera
Cancer
Asthma
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