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Gas is not prepared from sand.
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∙ 13y ago
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Is sand and water a chemical reaction or a physical reaction?
Sand and water do not react, they simply mix. This is a physical process.
Is separating sand from water a chemical reaction?
No. It's a physical reaction.
Is separting sand from water a chemical reaction?
No, separating sand from water is a physical process as the chemical identities of the sand and water remain the same.
Is filtering sand from water a chemical reaction?
No, it is a physical reaction because it doesn't undergo any change in chemical properties.
Is adding sand and water a physical change or a chemical reaction?
It is a physical change, as the nature of the sand remains the same, only its position is changed by wave action.
Is making glass from sand a chemical change?
The Journey into the hole
Classify the following as a chemical and physical changes 1cooking of food 2.freezing of water 3.drying of clothes 4.mixing of iron nails and sand?
With a physical reaction, some of the substance changes, but the stubstance is still the same. A chemical reaction on the other hand, is hard to reverse. Physical: freezing of water, drying of clothes, mixing of iorn nails and sand Chemical: cooking of food
What happens to sand when it gets wet?
Some of the sand will sink to the bottom of the water. There is no chemical reaction. However, some of the sand may go into suspension, making the water muddy. This is a physical change that can be reversed by filtering the muddy water.
Is mixing sand and rocks chemical or physical?
physical
What evidence do you have that changing sand into glass is a chemical change?
Making glass from sand is a physical because the actual composition of the substance (silica) is not changing. Making glass is just melting all the bits of sand into a large piece (glass).
Is sand and water mixed a chemical and physical change?
Chemical
Is mixing sand into garden oil a chemical or physical change?
Physical, the sand and oil can be separated.
