Preview (10 questions)
1 Question
30秒前
Q.

What is the technical name of Hydrophobic Chalk?


Dustless Chalk White

Hydrophobic White Chalk

Hydrophobic Gym Chalk 

New National Chalk Stick

2 Question
30秒前
Q.

How does hydrophobic gym chalk work?


Improves practice

Improves the grip

Improves knowledge

Improves handwriting

3 Question
30秒前
Q.

Which ingredient is used to make the hydrophobic chalk?


Calcium carbonate 

Potassium carbonate

Magnesium dicarbonate

Boron dicarbonate

4 Question
30秒前
Q.

What is meant by the term hydrophobic?


Does not combine with water and salt

Combine with water and salt

Dissolve in water

Does not dissolve in water 

5 Question
30秒前
Q.

Where is the hydrophobic chalk used?


production of emulsions

production of paints

For writing

Sports competitions 

6 Question
30秒前
Q.

What is the better version of a hydrophobic chalk gym?


dry chalk 

cold chalk

Heat chalk

liquifying chalk

7 Question
30秒前
Q.

How much percentage of calcium carbonate is used to make Hydrophobic chalk?


more than 92.5%

Less than 94.5% 

Less than 85.42%

More than 91.23%

8 Question
30秒前
Q.

When was the hydrophobic chalk discovered?


61 million years ago 

54 million years ago

86 million years ago

23 million years ago

9 Question
30秒前
Q.

What is the moisture percentage of Hydrophobic chalk?


1%

0.72%

0.5%

0.22%

10 Question
30秒前
Q.

How is the Hydrophobic chalk packed neatly?


Ice packing

Polythene bags

Hot bags

Cold bags