SS 2 CHEMISRY THIRM TERM
Authored by Cliffmanuel Akoma
Science
12th Grade
Used 1+ times
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20 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Which of the following process does not take place in domestic water treatment?
A. Chlorination
B. Flocculation
C. Neutralization
D. Sedimentation
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Water is said to be temporarily hard when it contains
A. Ca (HCO3)2 and Mg (HCO3)2 salts
B. Ca (HCO3)2 and CaCO3 SALTS
C. Mg(HCO3)2 and CaSO4 salts
D. CaSO4 and Ca(HCO3)2 salts
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
emporary hardness is removed by?
a) Ca(OH) b) NaOH c) Na2CO3 d) CaCO3?
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A substance that turns white anhydrous CuSO4 blue is A. water B.liquid ammonia C. hydrochloric acid D. molten sulphur
A substance that turns white anhydrous CuSO4 blue is A. water B.liquid ammonia C. hydrochloric acid D. molten sulphur
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Distilled water is different from deionized water because A. distilled water is a product of condensed steam while deionized water is filtered laboratory water B. distilled water is always pure and sold in packs while deionized is not packaged for consumption C. distilled water is condensed steam but deionized water is produced using ion-exchange resins which absorbs undesired ions. D. distilled water is man-made while deionized water is both natural and artificial
Distilled water is different from deionized water because A. distilled water is a product of condensed steam while deionized water is filtered laboratory water B. distilled water is always pure and sold in packs while deionized is not packaged for consumption C. distilled water is condensed steam but deionized water is produced using ion-exchange resins which absorbs undesired ions. D. distilled water is man-made while deionized water is both natural and artificial
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
In a saturated solution at a given temperature, the undissolved solutes are in equilibrium with
A. the solvent
B. dissolved solute particles
C. the saturated solution
D. insoluble solute particles
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A graph of solubility against temperature is called a. sigmoid curve
A graph of solubility against temperature is called a. sigmoid curve
b. supernant curve c. solubility curve d. dispersion curve
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