+2 Science Entrance

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1. 
Give the ratio in which hydrogen and oxygen are present in water by volume.

2. 
The synonym of ''Hilarious'' is

3. 
There is a circular path around a sports field. Poonam takes 18 minutes to drive one round of the field. Shiv takes 12 minutes. Suppose they both start at the same point and at the same time and go in the same direction. After how many minutes will they meet?

4. 
The image which is formed behind the mirror+D4

5. 
Choose the correct sentence.

6. 
The least number that is divisible by all the numbers from 1 to 5 (both inclusive) is

7. 
We . . . . . . . . be visiting him tomorrow.

8. 
What type of chemical reactions take place when electricity is passed through water?

9. 
The mirror used as rear-view mirror in vehicles

10. 
When a number is divided by 7, its remainder is always:

11. 
Magnification produced by a rear view mirror fitted in vehicles

12. 
Anita ____ for the charitable cause.

13. 
The set A = {0,1, 2, 3, 4, …} represents the set of

14. 
Graphically, the pair of equations 7x – y = 5; 21x – 3y = 10 represents two lines which are

15. 
The highly reactive metals like Sodium, Potassium, Magnesium, etc. are extracted by the

16. 
The product of a non-zero rational and an irrational number is

17. 
Select the correct past participle of 'sink' following which can be used adjectivally.

18. 
  If b = 3, then any integer can be expressed as a =

19. 
Fill in the blank with the future perfect tense form of the verb given in the bracket. “Mary ____ seats for us.” (save)

20. 
Fill in the blank with the past indefinite tense form of the verb given in the bracket. “After a long day at work, Rachel _________ tired.” (be)

21. 
LCM of the given number ‘x’ and ‘y’ where y is a multiple of ‘x’ is given by

22. 
A 10 mm long awl pin is placed vertically in front of a concave mirror. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. The focal length of this mirror is

23. 
Na2CO3 . 10H2O is

24. 
In which case, an adjective is not used as a noun?

25. 
For some integer p, every even integer is of the form

26. 
Which of the following is not irrational?

27. 
Light travel fastest in

28. 
Which one of the following salts does not contain water of crystallisation?

29. 
Shiv and Hari ____ helpful.

30. 
Name the tense. ''When the Prime Minister left the Parliament Mr. L.K. Advani was speaking''

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