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rubber is harder than chalk !
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Is chalk harder than limestone?
No, Limestone is harder than chalk.
What is a form of calcium carbonate softer than marble but harder than chalk?
Limestone is softer than marble, but harder than chalk.
Is chalk stronger than clay?
chalk is weaker than clay because of the particles which are migrated inside it. Chalk can float while clay will sink. Clay can also absorb muhc more water No, Clay is stronger than chalk. OF COURSE CHALK IS STRONGER THAN CLAY, HONEY!!! IT IS HARDER AND ABSORBS LESS WATER. Sweetie, why du think clay sinks?
Why can you use chalk to write on the blackboard but not granite?
Chalk is softer than the slate (real or artificial) used on blackboards, so it will flake off as you write. Granite is harder than slate and will not flake, but rather cut into or mark the slate permanently.
Which rock is the hardest granite or chalk?
Chalk is a sedimentary rock composed primarily of Calcium Carbonate. Calcium carbonate is also the number one mineral at the Marble spec. Hardness of Chalk is around 3 Mohs. Granite stay at the number 7 at the Mohs scale and Granite is harder than Marble. Granite is mostly composed by feldspat (christal).
Is chalk harder than limestone?
No, Limestone is harder than chalk.
What is a form of calcium carbonate softer than marble but harder than chalk?
Limestone is softer than marble, but harder than chalk.
Why can diamonds scratch chalk?
Diamonds are harder than chalk.
Is paper harder than rubber?
Some paper can be harder than some rubber. There are too many types of both paper and rubber to make a generalisation.
Is muscle harder than rubber?
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Is chalk stronger than clay?
chalk is weaker than clay because of the particles which are migrated inside it. Chalk can float while clay will sink. Clay can also absorb muhc more water No, Clay is stronger than chalk. OF COURSE CHALK IS STRONGER THAN CLAY, HONEY!!! IT IS HARDER AND ABSORBS LESS WATER. Sweetie, why du think clay sinks?
Explain Why blackboards are not scratched by chalk but by the sand embedded in the chalk?
Blackboards are not scratched by chalk because chalk is softer than the material from which the blackboard is constructed. Sand scratches blackboards because it is harder than the material from which a blackboard is made.
Why is powdered chalk more like a liquid than a lump of chalk is?
because it consists of small particles that are similar to liquid. Even if we add water to a powdered chalk, it dissolves easily whereas a lump of chalk is harder to dissolve in water.
Can a rubber band a piece of chalk or a skirt be more easily broken?
A piece of chalk.
Why are there rubber sleeves on evacuated tubes?
Because rubber is harder to brake than most materials out there and it doesnt attrack electricity
Is birch or rubber harder?
Birch is much harder.
Why can you use chalk to write on the blackboard but not granite?
Chalk is softer than the slate (real or artificial) used on blackboards, so it will flake off as you write. Granite is harder than slate and will not flake, but rather cut into or mark the slate permanently.
