1. Antacids help neutralize acidity in stomach. What property is shown by these substances? a. acidic b. basic c. dilute d. neutral
2.what characteristic/s distinguish a mixture from a substance? a. components of a mixture can be mixed in any proportion while substances have definite composition b. pure substances are always homogeneous while mixture are both homogeneous and heterogeneous c. pure substances have definite boiling point while mixtures don't have d. all of the above
3. Which of the following properties does NOT describe a pure substance? a. soluble in water b. homogeneous in nature c. heterogeneous in nature d. constant boiling temperature
4. Which of the following mixtures can be seperated by distillation? a. alcohol in water b. flour dissolve in water c. oil in coconut milk d. salt in patis
5. When table salt dissolve in water, how does the resulting mixture appear? a. it has two phases b. light cannot pass through it c. it is homogeneous in appearance d. it is heterogeneous in appearance
