Which of the following properties is a chemical property?(1 point)

Question

Responses

melting point
melting point

hardness
hardness

flammability
flammability

magnetism

Answer 1

flammability

Answer 2

Which of the following substances is a compound?(1 point)
Responses

gold (Au)
gold (Au)

carbon (C)
carbon (C)

oxygen (O)
oxygen (O)

water (H2
O)

Answer 3

water (H2O)

Answer 4

Which of the following substances is an element?(1 point)
Responses

salt
salt

protein
protein

insulin
insulin

hydrogen

Answer 5

hydrogen

Answer 6

Which of these properties is a chemical property?(1 point)
Responses

flammability
flammability

magnetism
magnetism

hardness
hardness

melting point

Answer 7

flammability

Answer 8

The chemical formula for methane is CH4
. What is the fixed ratio of carbon (C) to hydrogen (H)?(1 point)
Responses

4:5
4:5

1:1
1:1

1:4
1:4

1:5

Answer 9

1:4