Chemistry Quiz 1 (Chapter 1 to 13)

Question 1 of 20

2

Fill the blank spaces to complete the text.

Why are elements in group O inert?
They have a and does not require to , lose or with any other atom to a . Hence, they are inert.

Explanation

Question 2 of 20

1

Ionic Bonding is the a reaction between two non-metal elements

Select one of the following:

True
False

Explanation

Question 3 of 20

2

Fill the blank spaces to complete the text.

Balance the equation
Fe2O3 () + CO () → Fe () + CO2 ()

Explanation

Question 4 of 20

3

Click on each orange point and write the correct answer.

The following diagram shows a fractional distillation of crude oil. Fill in the blanks provided (Use all small caps)

Explanation

Question 5 of 20

2

What are the uses of each fraction, drag and drop to the appropriate blanks. Any mistakes my result in 0 marks for this question.

Drag an answer into the correct orange point.

Fuel for cooking and heating

Fuel for car engines

Raw material - petrol chemical industry

Fuel for aircraft engines: Fuel for heat

Fuel for diesel engines. Eg. Lorries

For lubricating machines; For making wax

For paving road surfaces

Explanation

Question 6 of 20

1

Fill the blank space to complete the text.

What is the purpose of adding limestone into the blast furnace
such as sand (Silicon dioxide)

Explanation

Question 7 of 20

1

Select from the dropdown lists to complete the text.

Question: Why are alloys harder and stronger than pure metals
Answer: Atoms in an alloy are made up of ( different sizes, same sizes ) thus it ( disrupts, smoothens ) the orderly arrangement of atoms in the pure metal. The layers of atoms ( cannot, can ) slide over each other ( easily, in a disorderly manner ). Thus, alloys are harder and stronger than pure metals

Explanation

Question 8 of 20

1

What is the composition of Argon in the air

Select one of the following:

78%
21%
1%
0.7%
0.03%

Explanation

Question 9 of 20

1

What is the main source of Carbon Monoxide (CO)?

Select one of the following:

Complete burning of fossil fuels
Incomplete combutsion of fuels
Volcanic eruption
Acid rain

Explanation

Question 10 of 20

1

The method to obtain for Barium Sulfate is through adding excess insoluble reactant to acid.

Select one of the following:

True
False

Explanation

Question 11 of 20

2

What are the examples of Acidic oxide or neutral oxide (Choose more than one answer)

Select one or more of the following:

Carbon dioxide
Silicon dioxide
Sulfur dioxide
Water
Aluminium oxide
Oxides of nitrogen
Lithium oxide

Explanation

Question 12 of 20

1

Select from the dropdown lists to complete the text.

Describe a test for ammonia gas
Test: Place a ( moist, dry ) ( red, blue ) litmus paper at the mouth of the test tube
Observation: If ammonia gas is present, ( red, blue ) litmus paper turns ( blue, red )

Explanation

Question 13 of 20

2

Why do ionic compounds conduct electricity in molten and aqueous states but not in solid states?
In ❌ states, there are ❌ ions to serve as charge carriers. In ❌ states, ions are held in a ❌ in the ❌, so there are no free-moving ions to serve as ❌.

Drag and drop to complete the text.

molten and aqueous

free-moving

solid

fixed position

lattice structure

charge carriers

Explanation

Question 14 of 20

2

Click on each orange point and write the correct answer.

Label the diagram

Explanation

Question 15 of 20

1

Why is recycling metals important?

Select one or more of the following:

They are finite resources
We have the rights to save them
They are cheaper than extracting of metals
Recycling requires less energy than mining

Explanation

Question 16 of 20

1

In what conditions will metals rust?

Select one or more of the following:

Exposed to air
Moist
Dry
Vacuum

Explanation

Question 17 of 20

1

To test whether it is an alkane or alkene, we need to use addition of aqueous bromine.

Select one of the following:

True
False

Explanation

Question 18 of 20

3

Fill the blank spaces to complete the text.

To test acidity of the soil:
Add a few drops of . If the colour turns , yellow or orange, it is . If the colour is , it is neutral. If the colour turns, blue, purple or violet, it is .

Explanation

Question 19 of 20

1

	Created by Koh Swee Hong almost 8 years ago

All chapters for N level syllabus will be set. Note: Please remember to check your spelling and answers in every question as full marks for the question can be deducted due to one mistake in the particular question.

Chemistry Quiz 1 (Chapter 1 to 13)

Question 1 of 20

Fill the blank spaces to complete the text.

Why are elements in group O inert? They have a and does not require to , lose or with any other atom to a . Hence, they are inert.

Explanation

Question 2 of 20

Ionic Bonding is the a reaction between two non-metal elements

Select one of the following:

Explanation

Question 3 of 20

Fill the blank spaces to complete the text.

Balance the equation Fe2O3 () + CO () → Fe () + CO2 ()

Explanation

Question 4 of 20

Click on each orange point and write the correct answer.

The following diagram shows a fractional distillation of crude oil. Fill in the blanks provided (Use all small caps)

Explanation

Question 5 of 20

What are the uses of each fraction, drag and drop to the appropriate blanks. Any mistakes my result in 0 marks for this question.

Drag an answer into the correct orange point.

Explanation

Question 6 of 20

Fill the blank space to complete the text.

What is the purpose of adding limestone into the blast furnace such as sand (Silicon dioxide)

Explanation

Question 7 of 20

Select from the dropdown lists to complete the text.

Explanation

Question 8 of 20

What is the composition of Argon in the air

Select one of the following:

Explanation

Question 9 of 20

What is the main source of Carbon Monoxide (CO)?

Select one of the following:

Explanation

Question 10 of 20

The method to obtain for Barium Sulfate is through adding excess insoluble reactant to acid.

Select one of the following:

Explanation

Question 11 of 20

What are the examples of Acidic oxide or neutral oxide (Choose more than one answer)

Select one or more of the following:

Explanation

Question 12 of 20

Select from the dropdown lists to complete the text.

Describe a test for ammonia gas Test: Place a moist dry( moist, dry ) red blue( red, blue ) litmus paper at the mouth of the test tube Observation: If ammonia gas is present, red blue( red, blue ) litmus paper turns blue red( blue, red )

Explanation

Question 13 of 20

Why do ionic compounds conduct electricity in molten and aqueous states but not in solid states? In ❌ states, there are ❌ ions to serve as charge carriers. In ❌ states, ions are held in a ❌ in the ❌, so there are no free-moving ions to serve as ❌.

Drag and drop to complete the text.

Explanation

Question 14 of 20

Click on each orange point and write the correct answer.

Label the diagram

Explanation

Question 15 of 20

Why is recycling metals important?

Select one or more of the following:

Explanation

Question 16 of 20

In what conditions will metals rust?

Select one or more of the following:

Explanation

Question 17 of 20

To test whether it is an alkane or alkene, we need to use addition of aqueous bromine.

Select one of the following:

Explanation

Question 18 of 20

Fill the blank spaces to complete the text.

To test acidity of the soil: Add a few drops of . If the colour turns , yellow or orange, it is . If the colour is , it is neutral. If the colour turns, blue, purple or violet, it is .

Explanation

Question 19 of 20

Fill the blank spaces to complete the text.

What is the condition for cracking reaction of alkane 1) degrees celcius 2) Powered as catalyst

Explanation

Question 20 of 20

Margarine is an example for addition reaction of hydrogen.

Select one of the following:

Why are elements in group O inert?
They have a and does not require to , lose or with any other atom to a . Hence, they are inert.

Balance the equation
Fe2O3 () + CO () → Fe () + CO2 ()

What is the purpose of adding limestone into the blast furnace
such as sand (Silicon dioxide)

Describe a test for ammonia gas
Test: Place a ( moist, dry ) ( red, blue ) litmus paper at the mouth of the test tube
Observation: If ammonia gas is present, ( red, blue ) litmus paper turns ( blue, red )

Why do ionic compounds conduct electricity in molten and aqueous states but not in solid states?
In ❌ states, there are ❌ ions to serve as charge carriers. In ❌ states, ions are held in a ❌ in the ❌, so there are no free-moving ions to serve as ❌.

To test acidity of the soil:
Add a few drops of . If the colour turns , yellow or orange, it is . If the colour is , it is neutral. If the colour turns, blue, purple or violet, it is .

What is the condition for cracking reaction of alkane
1) degrees celcius
2) Powered as catalyst