JHS Education

Kimia oh Kimia.............

Ulangan Kimia pakai bahasa Inggris???

Mau coba ngerjain???

Nie aku kasih contoh soal ulangan kimia di kelasku waktu kelas 7 dulu,,,,,

I. Choose the correct answer by write down the alphabet!

1. A matter/substance is….

a. anything which has mass and speed

b. anything which has mass and length

c. anything which has mass and temperature

d. anything which has mass and occupies space

2. The correct statement about element is….

a. including homogenous mixture

b. being able to broken down by physical reaction

c. the simplest things that can’t be broken down anymore

d. not inclusive of single matter

3. Gold, copper, and carbon are the examples of….

a. matter c. mixture

b. element d. compound

4. The symbols of iodine and phosphor is….

a. Io, Ph c. I, P

b. I, F d. Io, F

5. The following element is representing metal, except….

a. iron c. alumunium

b. silicon d. calcium

6. The correct statement about compound is….

a. being able to broken down by physical reaction

b. having properties that are different from the composed properties

c. not inclusive of single matter

d. not having a fixed comparison

7. The examples of compound are….

a. water, oxygen, salt

b. ethanol, hydrogen, nitrogen

c. water, glucose, methane

d. gold, silver, iron

8. Mixture is….

a. having properties that are different from the composed properties

b. formed by physical reaction

c. having a fixed comparison

d. being able to broken down by chemical reaction

9. Among the following substances which are include in homogenous mixture are….

a. water + sugar, water + tea

b. water + sugar, water + coffee

c. milk, plum pudding

d. a ball steak gravy, water + coffee

10. The correct name of CO₂ compound is….

a. carbon monoxide

b. carbon dioxide

c. water

d. air

11. These statements below are the properties of acid, except ….

a. reacts with metal to form hydrogen gas

b. the touch is slippery

c. neutralize base

d. changes blue litmus paper into red

12. Acetic acid is obtained in ….

a. orange c. vinegar solution

b. fertilizer d. cheese

13. These statements below are the properties of base, except ….

a. reacts with metal to form hydrogen gas

b. the touch is slippery

c. neutralize acid

d. changes red litmus paper into blue

14. The example of base is ….

a. sodium chloride

b. potassium hydroxide

c. acetic acid

d. lactate acid

15. The solution that is able to conduct electric current, is called ….

a. element c. mixture

b. electrolyte d. indicator

16. The result of chemical reaction between acid and base is ….

a. compound c. salt

b. electrolyte d. indicator

17. The result of chemical reaction between carbonate acid and calcium hydroxide is ….

a. carbonate hydroxide

b. calcium acid

c. calcium carbonate

d. air

18. Salt has pH value ….

a. less than 7 c. greater than 7

b. equal to 7 d. 14

19. The solution that can be used for identifying acid and base, is called ….

a. salt c. indicator

b. litmus paper d. mixture

20. For identifying acid and base, we can use it,

except ….

a. litmus paper c. phenolphtalein

b. natural indicator d. electrolyte kit

II. Answer these questions correctly !

1. Explain the differences element, compound!

2. Name the elements of the following compound and mention the number of atoms each molecule!

Chloride acid = HCl

Sodium hydroxide = NaOH

3. Hydrogen and oxygen has a fixed comparison, it is 1: 8. If 3 grams of hydrogen react with 16 grams oxygen. How many grams of water are formed? Is there any excess? How many grams of excess are formed?

4. What do you know about stainless steel? Explain and give the usages of stainless steel !

5. What can you conclude about acid, base, and salt?

Give the example around us !

6. Give the example of neutralize reaction between acid and base in our daily activities !

7. If solution is tested using blue litmus paper, the color remains blue. Can it be conclude that the solution is base? Explain your answer !

-----------------------------good luck---------------------------