Related Questions

A tank contains 10,000 gallons of a solution that is 5 percent sodium chloride by volume. If 2500 gallons of water evaporate from the tank, the remaining solution will be approximately what percent sodium chloride?
A 1.25%
B 3.75%
C 6.25%
D 6.67%
When they had a meeting seven company executives __ T, U, V, W, X, Y and Z ___ sit at a rectangular table .Three executives sit along one side of the table , and three sit along the other side, each directly opposite one of the other three. The seventh sits at the head of the table . There is no seat at the foot of the table . Ualways sits in one of te two seats farthest from the head of the table. Y and V always sit next to each other .V never sits next to Z . If Z does not sit at the head of the table, W sits there. If W sits directly opposite T, X must sit next to which of the following excutives?
A T
B U
C V
D Z
What is the chemical formula for Sodium Chloride (Salt)?
A NaCl2
B NaCl
C Na2Cl
D Na2C
Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel).
A 0.03
B 3
C 35
D 70
What is the chemical name for ‘Baking Soda’ ?
A Sodium carbonate
B Sodium bicarbonate
C Sodium nitrite
D Sodium nitrate
Baking soda is :
A Potassium carbonate
B Sodium hydroxide
C Sodium carbonate
D Sodium bicarbonate
The chemical name of baking soda is
A Sodium carbonate
B Sodium bicarbonate
C Sodium chloride
D Sodium nitrate
When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is
A Hydrogen
B Oxygen
C Carbon dioxide
D All of them
Baking soda is chemically represented by
A Na2CO3
B NaHCO3
C Na2CO3.H2O
D Na2CO3.10H2O
Which of the following is the chemical name of baking soda?
A Sodium carbonate
B Sulphate
C Sodium hydrogen carbonate
D Calcium hydroxide

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