1. The term chemistry is derived from a/an _________ word “ALKEEMYA”.
2. Chemistry is the study of:
3. The study of elements and their compounds (except those of carbon), is called __.
4. Organic Chemistry is the study of ________.
5. The study of chemical compounds and their reactions occurring in living organisms is called:
6. The study of the kind and quantity of a substance present in a compound is called _____.
7. The study of the forces and principles involved in the combination of atoms is called ___.
8. Matter can undergo ______ type(s) of change(s).
9. The manufacture of synthetic products like glass, cement, paper etc, is studied in _____ chemistry.
10. A compound AB contains 60% of element A and 40% of element B. This data shows the study of _________ chemistry.
11. Chemistry is a/an _______ science.
12. Chemistry is the study of:
13. Organic Compounds must contain _________ element(s).
14. Personal hygiene, pollution and health hazards are the important areas of ____.
15. The study of the changes occurring in the nuclei of atoms is called _________.
16. The formula of zinc nitrate is _______.
17. Which of the following statements is not correct?
18. ________ is/are called the mineral acid(s).
19. The substances that are produced during a chemical reaction are called ____.
20. 1 milligram is equal to _______.
21. The percentage of oxygen in D2O is ________.
22. Which of the following statements is correct?
23. The smallest particle of an element which may or may not exists independently is called______.
24. A substance can be measured in terms of:
25. Different atoms chemically combine together to form a
26. The process of sublimation takes place in _____________.
27. Who gave the law of reciprocal proportions?
28. The formation of carbon monoxide (CO) and carbon dioxide (CO2) is in accordance with:
29. Law of definite (fixed) proportions was given by________.
