1. Apples contain?
- (a) Lactic acid
- (b) malic acid
- (c) Formic acid
- (d) tartaric acid
2. Grape juice contains?
- (a) Lactic acid
- (b) malic acid
- (c) Formic acid
- (d) tartaric acid
3. What is the substance produced by ants called an acid?
- (a) Lactic acid
- (b) malic acid
- (c) Formic acid
- (d) tartaric acid
4. Where is the word acid derived?
- (a) Greek
- (b) Latin
- (c)Oil Spanish
- (d) English
5. The acids that produce one proton per molecule are called?
- (a) Artor
- (b) poly-protic acids
- (c) Monoacid bases
- (d) poly-acid bases
6. The acid that produces more than one proton per molecule is called?
- (a) Mono-protic acids
- (b) poly-protic acids
- (c) Monoacid bases
- (d) poly-acid bases
7. A compound formed due to the neutralization reaction of an acid of an acid and a base is called?
- (a) Base
- (b) salt
- (c) Both of these
- (d) none of these
8. According to the Arrhenius concept, which is not an acid?
- (a) HCL
- (b) H2SO4
- (c) CO2
- (d) HNO3
9. AlC13 is an acid, according to?
- (a) Arrhenius
- (b) Lewis
- (c) Charles
- (d) all of these
10. Which of the following is a Lewis base?
- (a) HCL
- (b) AlC13
- (c) BF3
- (d) F-
11. A metal oxide has 40% oxygen. The equivalent weight of metal is:
- A) 12
- B) 16
- C) 24
- D) 48
12. Absolute zero is equivalent to:
- A) 0 k
- B) -273˚C
- C) 459F˚
- D) Al of these
13. If temperature if ideal gas is doubled and pressure is reduced to four times then volume of gas:
- A) Increase four times
- B) Increases six times
- C) Increases two times
- D) None of these
14. Total No. of region in the spectrum are:
- A) 05
- B) 06
- C) 08
- D) 09
15. Which of the following is the most appropriate for a proton and α-particle moving with the same speed?
- A) Wave no. of proton is greater than α-particle
- B) Wave no. of proton is 1836 times greater than electron
- C) Wave length of proton is 4 time greater than α-particle.
- D) Wave length of X-particles is 7344 times greater than electrons.
16. Haemoglobin molecules is how many times heavier than helium atom
- A) 68000 times
- B) 17000 times
- C) 34000 times
- D) 1700 times
17. Which is a molecular ion
- A) NH4+
- B) H3O+
- C) NH3+
- D) SO4-2
18. Which one is mono isotopic element
- A) Chlorine
- B) Hydrogen
- C) Fluorine
- D) Cadmium
19. How many isotopes are present in palladium
- A) Two
- B) Six
- C) Four
- D) Nine
20. Atoms having same mass number but different atomic number are called
- A) Isotopes
- B) Isobars
- C) Isotones
- D) Isomers
21. How many unstable radioactive isotopes have been produced through artificial disintegration
- A) 280
- B) 40
- C) 3000
- D) 154
22. Number of H+ ions when 0.1 mole of sulfuric acid is completely ionized in water:
- A) 4 ×022 × 1023
- B) 1 × 6.022 × 1023
- C) 2 × 6.022 × 1023
- D) 2 × 6.022 × 1022
23. How m any electrons have to be removed to ionize 1.0 × 10-6 moles of Ne atoms to Ne+ ions in a neon advertising tube
- A) 2.0
- B) 3.0
- C) 1.0
- D) 4.0
24. When 0.5 moles of Al2(SO4)3 are dissolved in water, total number of particles produced
- A) 1.2 × 1023
- B) 3.0 × 1023
- C) 1.5 × 1024
- D) 2.5 × 1023
25. Which of the following contains 1 mole of the stated particles
- A) Chlorine molecules in 35.5 g of chlorine gas
- B) Electrons in 1 g of hydrogen gas
- C) Hydrogen ions in dm3 of 1 mol dm-3 aqueous sulphuric acid
- D) Oxygen atoms in 22.4 dm3 of oxygen gas at STP
| Test 1 | Test 2 | Test 3 | Test 4 | Test 5 |
| Test 6 | Test 7 | Test 8 | Test 9 | Test 10 |
