INTRODUCTION TO CHEMISTRY

Chemistry is a fields of science that studies the structures, properties, ______ and interactions between matters.

• Compound

• Chemist

• Compositions

• Portion

Chemistry originated from the Arabic word

• Al-kitab

• Al-surat

• al-kimiya

• Al-kemis

Salts and sugar is a food

• Preservative

• Vitamins

• Pesticide

• Colouring

‘The blue litmus paper turns red’

Refer to

• Inference

• Observation

• Hypothesis

• Variable

When temperature of water increase, the time taken for salts to dissolve become shorter

Refer to

• Inference

• Observation

• Hypothesis

• Conclusion

Experiment involving chlorine gas must be carry out in

• Preparation room

• Library

• Laboratory

• Fume chamber

Group 1 metals must be storage in

• Dark bottle

• Paraffin oil

• Room far from sunlights

• Toxic container

• Nausea

• Vomiting

• Diarrhoea

Eye irritation

• Symptoms of fasting in Ramadan

• Symptoms of pregnant women

• Symptoms of mercury poisoning

• Symptoms of food poisoning