C. WRITE TRUE OR FALSE FOR EACH STATEMENT. REWRITE THE FALSE STATEMENTS CORRECTLY : 1. Bakellite is a thermosetting plastic. T 2. Cement is an amorphous and transparent mixture of silicates of sodium and calcium. 3. Nylon is an artificial fibre used for making toothbrushes. T 4. Carbohydrates are organic compounds containing nitrogen. 5. Substances used for prevention of diseases are called medicines. T d New Trends in ICSE Chemistry - 6 125​