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Is chalk harder than limestone?
No, limestone is harder than chalk. Limestone is a sedimentary rock composed mainly of calcite, whereas chalk is a soft, porous sedimentary rock composed mainly of calcium carbonate.
What is a form of calcium carbonate softer than marble but harder than chalk?
Limestone is a form of calcium carbonate that is softer than marble but harder than chalk. It is commonly used in construction materials and can be found in different shades depending on the mineral impurities present.
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?
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).
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.
Is chalk harder than limestone?
No, limestone is harder than chalk. Limestone is a sedimentary rock composed mainly of calcite, whereas chalk is a soft, porous sedimentary rock composed mainly of calcium carbonate.
Why can diamonds scratch chalk?
Diamonds are harder than chalk.
What is a rock that is white and harder than chalk called?
A rock that is white and harder than chalk is likely to be marble. Marble is a metamorphic rock that is formed from limestone under high pressure and heat, making it harder and more durable than chalk, which is a soft sedimentary rock.
What is a form of calcium carbonate softer than marble but harder than chalk?
Limestone is a form of calcium carbonate that is softer than marble but harder than chalk. It is commonly used in construction materials and can be found in different shades depending on the mineral impurities present.
Is wood harder than rubber?
Yes, wood is harder than rubber. Wood is a natural material known for its density and durability, while rubber is a synthetic material that is much softer and more elastic in comparison.
Is chalk softer than a pencil lead?
Chalk is generally softer than pencil lead. Chalk is made of the mineral calcite, which is relatively soft, while pencil lead is made of graphite, which is harder.
Can a rubber band a piece of chalk or a skirt be more easily broken?
A rubber band would be more easily broken than a piece of chalk or a skirt. Rubber bands are designed to stretch and be flexible, making them more likely to break when stretched beyond their limits. A piece of chalk is more rigid and a skirt is made of fabric, which are not as easily broken by stretching or bending.
Is muscle harder than rubber?
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Is paper harder than rubber?
No, paper is typically softer than rubber. Rubber is a solid material known for its flexibility and elasticity, while paper is a lightweight material made from compressed fibers that is more brittle and easier to tear.
Explain Why blackboards are not scratched by chalk but by the sand embedded in the chalk?
Blackboards are typically made of a material that is softer than chalk, such as slate or porcelain. When you write on a blackboard with chalk, the friction between the chalk and the board causes the chalk to wear down and leave behind tiny particles of sand or abrasive material embedded in the chalk. These abrasive particles then scratch the surface of the blackboard as you write, creating marks that can be difficult to erase.
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?
Is birch or rubber harder?
Birch is much harder.
