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Worksheets

NEUTRALISATION

Total questions: 11

Worksheet time: 9mins

Name
Class
Date
1.

[SPM 17- 27]


Diagram show dental caries based by reaction between latic acid produced by bacteria in human mouth with the enamel. Tooth enamel is a base.


Rajah menunjukkan karies gigi yang disebabkan oleh tindakan di antara asid laktik yang dihasilkan oleh bekteria dalam mulut manusia dengan enamel. Enamel gigi adalah sejenis bes.

a)

Oxidation

Pengoksidaan

b)

Double Decomposition

Penguraian Ganda dua

c)

Reduction

Penurunan

d)

Neutralisation

Peneutralan

2.

SPM 14-11


Which substance neutral a solution with the pH value of 4?


Bahan yan manakah meneutralkan suatu larutan dengan nilaipH 4.

a)

Dustilled water

Air suling

b)

Sodium Chloride

Natrium klorida

c)

Sodium hydroxide

Natrium hidroksida

d)

Dilute ethanoic acid

Asid etanoik cair

3.

SPM 10 - 26


a farmer found that his soil is too acidic for some plant to grow well. Which substance is suitable to reduce the acidity of the soil?


Seorang petani mendapati tanahnya terlalu berasid untuk tanamannya tumbuh dengan baik. Bahan manakah yang sesuai untuk mengurangkan keasidan tanah itu?

a)

Barium chloride

Barium klorida.

b)

Clacium Chloride

Kalsium oksida

c)

Sodium chloride

Natrium klorida

d)

Patasium Iodide

Kalium Iodida

4.

SPM 16- 49


Which sodium hydroxide solution neturalises 10 cm3 of 0.5 moldm-3 sulphuric acid?


Larutan yang manakah yang meneutralkan 10 cm3 asid sulfurik 0.5 moldm-3?

a)

A

b)

B

c)

C

d)

D

5.

Complete the word equation below:

Acid + alkali --> ............... + water

a)

water

b)

salt

c)

gold

d)

metal

6.

.............................. + sodium hydroxide --> sodium chloride + water

a)

Nitric acid

b)

Sulphuric acid

c)

Hydrochloric acid

d)

Ethanoic acid

7.

Sulphuric acid + kalium hydroxide --> ........................ + water

a)

kalium sulphate

b)

kalium sulphurate

c)

potassium nitrate

d)

magnesium hydroxide

8.

Toothpaste contain .................. that neutralize acid formed by bacteria.

a)

alkali

b)

acid

c)

antacid

d)

slaked lime

9.

Bee sting contain ............................ and can be neutralize using bicarbonate soda.

a)

alkali

b)

acid

c)

vinegar

d)

soda

10.

Excess acids in stomach can be neutralized using ............

a)

antacid

b)

vinegar

c)

slaked lime

d)

hydrochloric acid

11.

Why is toothpaste alkaline?

a)

It can neutralise strong alkaline in

your mouth

b)

It can neutralise acid in

your mouth

c)

It can refresh your teeth

d)

Toothpaste is not alkaline.