Single-replacement reactions
a. consists of two reactants producing two products
b. involve a single product
c. occur when any metal can replace any other metal
d. are restricted to metals

The answer is C. 

example: 3NaCl + Al > AlCl₃ + 3Na

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.