2 Which development helped chemistry become a science? A Myths B Scientific method C Legends D Traditions
3 Alchemy contributed to chemistry by developing: A Scientific laws B Laboratory techniques C Atomic models D Chemical equations
5 Scientific method helped chemistry to become: A More magical B Less useful C A systematic science D A belief system
7 The change of solid directly into gas is called: A Evaporation B Condensation C Sublimation D Melting
8 A physical change is one in which: A New substance is formed B Mass is destroyed C No new substance is formed D Energy is released only
9 Which field laid the foundation for laboratory equipment? A Physics B Alchemy C Biology D Geography
11 Modern chemistry differs from alchemy because it is: A Secretive B Based on experiments C Based on magic D Unsystematic
13 Which change involves formation of a new substance? A Melting of ice B Boiling of water C Rusting of iron D Freezing of water
15 Which age is associated with the use of copper and bronze? A Stone Age B Bronze Age C Iron Age D Modern Age
16 Lavoisier helped in developing: A Modern chemical nomenclature B Astrology C Electronics D Quantum mechanics
18 Robert Boyle emphasized chemistry should be based on: A Magic B Observation and experiments C Alchemy only D Philosophy
19 Lavoisier explained the role of: A Nitrogen in burning B Oxygen in combustion C Hydrogen in rusting D Carbon in respiration
20 The process of changing liquid into gas is known as: A Freezing B Condensation C Evaporation D Melting
22 Which of the following is a chemical change? A Breaking glass B Melting wax C Burning paper D Freezing water
23 Which scientist is associated with accurate chemical measurements? A Dalton B Boyle C Lavoisier D Jabir ibn Hayyan
24 A change in which only physical appearance changes is called: A Chemical change B Nuclear change C Physical change D Biological change