The bleaching agent in many detergents is which of the following?
A) a sodium alkylbenzenesulfonate
B) sodium silicate
C) sodium perborate tetrahydrate
D) Any of these, they are all bleaching agents.
C
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If the government of India were to connect every village of more than 500 to an all-weather road, the accessibility provided would allow regional specialization of production and cash cropping
Indicate whether the statement is true or false.
Which chemical destroys ozone in the stratosphere?
A) carbon monoxide B) chlorine C) sulfur dioxide D) nitric acid
In addition to the water contained in foods, approximately how much water should a person drink each day?
A) 200 to 300 mL B) 1.2 to 1.5 L C) 1.5 to 2.0 L D) 2.0 to 2.5 L
Which of the following statements best describes losing streams?
A. common in arid regions where groundwater flows into streams. B. common in arid regions where some of the stream water flows into the groundwater system. C. common in humid regions where groundwater flows into streams. D. common in humid regions where some of the stream water flows into the groundwater system.