Test Instructions:
- This Mock test contains 25 MCQ questions.
- Choice and sequence for attempting questions will be as per the convenience of the candidate.

- Read each question carefully.
- Determine the one correct answer out of the four available options given for each question.

- Each question awards you 1 point.
- You can end the test any time by clicking “quiz summary>finish quiz”.


- The mock test will automatically be submitted when the time is up.

- You can review all questions once again and evaluate your mistakes by clicking “view questions” when the result is displayed.

- You can apply for Leaderboard when the result is displayed.

- You can re-attempt the exam as per your wish, yet scores of the first attempt will be recorded!
ALL THE BEST!
Quiz Summary
0 of 25 Questions completed
Questions:
Information
You must fill out this field. |
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
Results
Results
0 of 25 Questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Average score |
|
Your score |
|
Categories
- Not categorized 0%
-
Your Score For Some Basic Concepts Of Chemistry(Chemistry) Test is
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- Current
- Review
- Answered
- Correct
- Incorrect
-
Question 1 of 25
1. Question
The volume of oxygen evolved at STP, by decomposition of 0.68 g ‘20 volume’ hydrogen peroxide solution, is
CorrectIncorrect -
Question 2 of 25
2. Question
The system that contains the maximum number of atoms is
CorrectIncorrect -
Question 3 of 25
3. Question
1.78 g of an optically active L-amino acid (A) is treated with NaNO2/HCl at 0º C. 448 cm3 of nitrogen was at STP is evolved. A sample of protein has 0.25% of this amino acid by mass. The molar mass of the protein is
CorrectIncorrect -
Question 4 of 25
4. Question
10 g of a mixture of BaO and CaO requires 100 cm3 of 2.5 M HCl to react completely. The percentage of calcium oxide in the mixture is approximately
(Given : molar mass of BaO = 153)
CorrectIncorrect -
Question 5 of 25
5. Question
The molarity of a solution obtained by mixing 750 mL of 0.5(M) HCl with 250 mL of 2(M) HCl will be
CorrectIncorrect -
Question 6 of 25
6. Question
KMnO4 reacts with KI in basic medium to form I2 and MnO2. When 250 mL of 0.1 MKI solution is mixed with 250 mL of 0.02MKMnO4 in basic medium, what is the number of moles of I2 formed?
CorrectIncorrect -
Question 7 of 25
7. Question
The volume of oxygen required for complete combustion of 0.25 cm³ of CH4 at S.T.P is _______ cm³
CorrectIncorrect -
Question 8 of 25
8. Question
One mole of H2O corresponds to ___
CorrectIncorrect -
Question 9 of 25
9. Question
The number of molecules in 16 g of oxygen gas is______
CorrectIncorrect -
Question 10 of 25
10. Question
Which of the following has same molecular formula and empirical formula ?
CorrectIncorrect -
Question 11 of 25
11. Question
______ reactant is the reactant that is taken in excess than the limiting reactant.
CorrectIncorrect -
Question 12 of 25
12. Question
Isotopes are the atoms of the same element having _______.
CorrectIncorrect -
Question 13 of 25
13. Question
The number of moles of sodium oxide in 620 g is _______.
CorrectIncorrect -
Question 14 of 25
14. Question
Two elements X (Atomic mass 75) and Y (Atomic mass 12) combine to give a compound having 75.8% X. The empirical formula of the compound is _______.
CorrectIncorrect -
Question 15 of 25
15. Question
Calculate the number of moles of methane required to produce 33 g of carbon dioxide gas on its complete combustion
CorrectIncorrect -
Question 16 of 25
16. Question
The volume of ammonia obtained by the combination of 10 mL of N2 and 30 mL H2 is_______.
CorrectIncorrect -
Question 17 of 25
17. Question
The number of atoms in 4.25 g of NH3 is approximately _______.
CorrectIncorrect -
Question 18 of 25
18. Question
Which symbol replaces the unit of atomic mass, amu?
CorrectIncorrect -
Question 19 of 25
19. Question
An organic compound contains carbon hydrogen and oxygen. Its elemental analysis gave C, 38.71% and H, 9.67 % and O, 51.62%. The empirical formula of the compound would be
CorrectIncorrect -
Question 20 of 25
20. Question
10 g hydrogen is reacted with 64 g oxygen. The amount of water formed will be (in moles) _______.
CorrectIncorrect -
Question 21 of 25
21. Question
16 g of oxygen has same number of molecules as in
CorrectIncorrect -
Question 22 of 25
22. Question
What will be the molality of the solution containing 18.25 g of HCl gas in 500 g of water?
CorrectIncorrect -
Question 23 of 25
23. Question
Find the volume of O2 required to burn 1 L of propane completely, measured at 0℃ temperature and 1 atm pressure
CorrectIncorrect -
Question 24 of 25
24. Question
The percentage of Carbon is Ca(HCO3)2 is
CorrectIncorrect -
Question 25 of 25
25. Question
What will be the molarity of a solution, which contains 5.85 g of NaCl(s) per 500 mL?
CorrectIncorrect