Question

• Is silicon a compound, mixture and a element. give reasons?
• Soil is a compound , mixture and a element . give reasons?
• steam is a compound , mixture and a element. give reasons?
• steel is a compound , mixture and a element . give reasons?
• sugar is a compound , mixture and a element. give reasons?

Answer 1

1. An element is defined as the substance that cannot be further broken up into different constituent. So,silicon is an element.
2. A compound is the chemical combination of the two or more elements of same or different properties. So,Compound is Steam(vapour form of water) and sugar(it is sucrose).
3. Mixture is physical combination of two or more substances that have no chemical relation. So,Soil and Steel are mixtures.