Question

8. Pick out the odd-one from the following: steam,
9. Fill in the blanks.
a. The substances made up of only one type of atoms are called
is a metal which is liquid at room temperature,
c. The composition of a
is fixed
d. Blood is a
mixture.
e. Air is a
mixture
f. Clean air is a
mixture
10. Which of the following statements are true and which are false?
a. Carbon is an element, smoke is a mixture and ice is a compound
b. Coal is an element.
c. Benzene is a compound and it contains carbon and hydrogen.
d. Brass is a mixture of two elements copper and tin.
e. Hydrogen is the most abundant element in the earth's crust.
f. A solution of glucose in water is a homogeneous mixture.​

Answer 1

Answer:

a. element. Thanks for points.