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Chalk, the stuff associated with blackboards, is made of gypsum. Gypsum is a naturally occurring mineral and is calcium sulfate. http://en.wikipedia.org/wiki/Chalk
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∙ 16y ago
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∙ 11y agoparrafin witch is actually petroleum
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Do crayons contain calcium carbonate?
No, the crayons do not contain the calcium carbonate. Calcium carbonate and other foreign materials are usually extruded from crayon.
How are marketing process carry out for eg like raw materials what are the raw materials used in production and marketing and meaning of raw materials?
Carbon dioxide
What are the raw materials from ocean?
the materials are salt and meat
What are the different raw materials?
Raw materials: glucose and oxygen Products: carbon dioxide and water And, of course, energy.
Are raw materials and product the same?
No. Raw materials are the materials that make up the product before anything is done to them; i.e. they are the materials that you start with. So for example, if I wanted to make a cake, the flour, sugar and eggs would be the raw materials; and the cake would be the product.
Is it safe to dye hair with crayons?
no,crayons are the toxic materials which are obtained artificially.these are greasy materials where hair cannot be dyed with it.
What is the antonym for raw materials?
Raw materials
Why is pigment used to make crayons?
Pigment provides the raw color in a crayon. When mixed with the wax and binder materials the temperature then determines the exact color of a crayon once it is molded or pressed into a cylinder.
Why were the materials chosen in Crayola crayons?
crayons are mostly made of wax. wax was chosen because when it was tested on paper it worked well.
What are raw materials of photosynthesis are?
the raw materials are water and carbon dioxide
What are the disadvantages of fabric crayons?
Crayons need much pressure when applying it to a surface Crayons can't be applied alone it needs other materials
How can you describe raw materials?
Raw materials are materials that are used in the productions of goods and materials. They are the very basic materials and are feedstock for finished products.
What are the materials that are made in a chemical reaction in photosynthesis?
We call them raw materials. Raw materials are H2O and CO2.
What are the raw materials for photosynethesis?
Water and Carbon dioxide are the raw materials in Photosynthesis
What are the Raw materials of silk pillows?
The raw materials that are made out of silk are polyster.
What are the raw materials use in food preservation?
what are the raw materials in food preservation
How do raw materials become end products?
People to things to the raw materials.
