Centre Number Surname Other Names Candidate Signature Candidate Number For Examiner’s Use Examiner’s Initials Question Mark General Certificate of Education Advanced…

1|Page CHAPTER 5 : CHEMICALS FOR CONSUMERS 1. 2. 3. 4. 5. 6. 7. 8. Define the soap. Define detergent. Describe soap preparation process Describe detergent preparation process…

1. THE NATURE OF MATERIALS Atomic Structure and the Elements Bonding between Atoms and Molecules Crystalline Structures Noncrystalline (Amorphous) Structures Engineering…

1. The movements of soluble subtances across plasma membrane through:a) Passive transport• Simple diffusion• Facilitated diffusion• Osmosisb) Active transport 2. Simple…

Slide 1  A scientist combined two liquids into a flask. The temperature of the flask increased, the combined substance started bubbling, and a strong odor was given off.…