Ω OMEGA EDUCATIONAL ACADEMY
C.E. COLONY, Bagh Amberpet, Ph# 98490 05091
GENERAL SCIENCE PAPER-I
THIS IS ONLY A GUESS PAPER PREPARED OUT OF EXPERIENCE.
Part-A
Time: 2 Hours Marks: 35
SECTION-I
Note:1. Answer ANY FIVE questions, choosing at least TWO from each Group A&B. 2. Each question carries TWO marks.
GROUP-A
1. Differentiate between mass and weight?
2. Explain the working of a centrifuge?
3. Draw the shapes of a) n-p-n transistor. b) p-n-p transistor?
4. What is artificial transmutation give example?
GROUP-B
5. Why NaCl and KCl are added to the ore during magnesium extraction?
6. Two moles of Na2CO3 are added to three moles of H2O. Find the mole fraction of solute and solvent?
7. Draw the shapes of H2O and PCl5 molecules?
8. What is annealing?
SECTION-II
Note: 1. Answer ANY FOUR questions from the following. 2. Each question carries ONE (1) mark.
9. Define acceleration due to gravity?
10. What is resonating air column?
11. Write the isotopes of neon?
12. State Paul's Exclusion principle?
13. Define pH scale?
14. What is saponification of oils?
SECTION-III
Note:1. Answer ANY FOUR questions, choosing TWO from each GROUP. 2. Each question carries FOUR (4) marks.
GROUP-A
15. What is resonance? Write five examples in day-to-day life.
16. State Ohm's Law and verify it experimentally.
17. Explain a) alpha decay. b) Beta decay. Or (Compare alpha, beta, and gamma radiations).
18. Explain the formation of p-type semiconductor, n-type semiconductor.
GROUP-B
19. Explain the formation of multiple covalent bonds.
20. How is magnesium extracted from magnesite and carnalite?
21. State Arrhenius theory of acids and bases and write its limitations?
22. How do you test the quality of soap (or) (what is an ideal drug what are its characteristics).
SECTION-IV
Note:
1. Answer ANY ONE question. 2. The question carries FIVE marks.
23. Draw a neat-labeled diagram of nuclear reactor?
24. Draw the diagram showing manufacture of sugar from sugar cane.
