What is the name of the acid which dissociates to give the cyanide ion, CN-?
A) cyanic acid
B) cyanidic acid
C) cyanous
D) hydrocyanic acid
D
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Which of the following is not one of the standard soil horizons?
A) A horizon B) O horizon C) C horizon D) B horizon E) D horizon
Oceanic ridges are geologically stable features made up almost entirely of sedimentary rock
Indicate whether the statement is true or false
In most energy conversions, such as burning coal to produce heat,
A) entropy increases because of heat released in the conversion. B) entropy decreases because of heat released in the conversion. C) entropy is unchanged because heat is used to ignite the coal. D) entropy decreases because heat is used to ignite the coal.
What positive benefits do swamps and marshes have in the environment?
What will be an ideal response?