Chemistry - 9 Chapter - 1
Chemistry an Introduction Test - 5

1. Classification of compounds into _____ groups by Alrazi is still valid to some extent.




2. Al Jahiz used the process of ________ for getting ammonia from animal urine.




3. Abu-Mansoor differentiated ______ _______ from potassium carbonate.



4. Abu-Mansoor was familiar with ?.




5. Abu-Mansoor knew the chemical composition of plaster of Paris and its use in________.




6. Abu-Rehan Muhammad Al-Beruni worked out eighteen precious stones and metals and determined their _______ gravity.




7. Bu ali Sina was an expert of many scientific disciplines. He studied the properties of ________.




8. In industrial chemistry Muslim industrialists scientifically developed the _____ industry.




9. The Muslim used their knowledge of chemistry in tile making and preparing glass and ceramics. They also introduced new ________________.




10. The period of scientific advancements of the Muslims extend upto _____th century.




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