Related Questions

Soda water contains ----.
A carbon dioxcide
B carbonic acid
C nitrous acid
D sulphuric acid
Soda water contains
A carbon dioxide
B carbonic
C nitrous acid
D sulphuric
The major disadvantage of lime soda process of water softening is that
A It is unsuitable for turbid and acidic water
B Huge amount of precipitate is formed which creates a disposal problem
C The effluent cannot be reduced to zero hardness
D It is unsuitable for softening the water of excessive hardness
Lime and soda ash are added to water to remove
A Bicarbonates & sulphates of calcium and magnesium
B Undersirable taste and odour
C Bacteria
D Its corrosiveness
__________ is removed from water by lime-soda process.
A Foul smell and taste
B Iron and manganese
C Temporary hardness
D Permanent hardness
A sink contains exactly 12 liters of water. If water is drained from the sink until it holds exactly 6 liters of water less than the quantity of water drained away, how many liters of water were drained away ?
A 2
B 3
C 9
D 6
There are 10 orange sodas, 15 cream sodas and 7 cherry sodas in an ice chest. How many sodas must be removed from the ice chest to guarantee that one of each type of soda has been chosen?
A 16
B 18
C 23
D 26
There are 10 orange sodas, 15 cream sodas, and 7 cherry sodas in an ice chest, How many sodas must be removed from the ice chest to guarantee that one of each type of soda has been chosen?
A 16
B 18
C 23
D 26
সোডা ক্ষার (washing soda) এ শতকরা পানির পরিমাণ 62.94% হলে, যৌগটিতে পানির অনুর সংখ্যা নির্ণয় কর।
A 5
B 7
C  8
D 10
Ordinary table salt is sodium chloride. What is baking soda?
A Potassium chloride
B Potassium carbonate
C Potassium hydroxide
D Sodium bicarbonate

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