Which of the following concentration units will not change if the solution is heated?
A) molarity
B) %(w/v)
C) both a and b
D) neither a nor b
D
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What percentage of Earth's water is freshwater?
A. 25% B. 85% C. 3% D. 50%
Which of the following has not been practiced in India in their attempt to reduce their population growth?
A) camps for voluntary sterilization B) a national family planning program C) free or subsidized distribution of birth control devices D) legalized abortions E) mass deportation of immigrants (both legal and ilegal)
Lake-effect snowfall is created as a direct result of air mass modification
Indicate whether the statement is true or false
A pulverized mineral (usually on a piece of white unglazed porcelain) gives a color called its ________, that is usually more reliable than the color of the specimen itself.
A. streak B. powder C. chroma D. dust E. smear