Question 1: Which is not a clue that a chemical change has happened?
A. new substance is forme...
Question 1: Which is not a clue that a chemical change has happened?
A. new substance is formed
B. temperature change
C. size change
D. gas is produced
Question 2: Which of the following represents chemical change?
A. wood burning
B. ice freezing
C. sugar dissolving
D. wood being sanded
Question 3: Which of the following food changes represents a physical change?
A. toasting bread
B. baking a cake
C. making chocolate milk D. cooking an egg
Question 4: Which of the following is an example a chemical change?
A. water evaporating
B. melting ice
C. food rotting
D. boiling water
Answers: 1
Chemistry, 21.06.2019 22:20, emilyborland50
Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d. the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge
Answers: 2
Chemistry, 21.06.2019 22:30, dianasmygova
Monkeys and bats have similar bone structure in their forelimbs. however, monkeys have longer forelimbs to use for climbing and swinging in trees. bats have shorter forelimbs to use for flight. which term best describes how monkey and bat forelimbs are related to each other? a. homologous b. embryonic c. analogous d. vestigial
Answers: 1
Chemistry, 21.06.2019 23:30, tylerineedhelp
Ihat will happen if i added baking soda to vinegar
Answers: 2
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