Write the true and false for the statement:
1. Synthetic diamonds are used for cutting glass and drilling rocks.
2. Graphite is a poor conductor of electricity.
3. Coal can be converted to coke by destructive distillation.
4. Buckyball is a yellow amorphous solid.
5. Organic compounds are soluble in water.
6. Pure diamond can occur in several colors.
7. Carbon forms innumerable compounds by combining with other elements. True or false ?
8. Most of our food contains compounds of carbon. True or false ?
