Scientific method Quiz for Chemistry and Measurements (+30 questions)

Scientific Method Quiz for Chemistry and Measurements

           In this post, we are going to see Scientific method Quiz for chemistry and measurements. It is useful for science quiz at the school level.

Multiple Choice Questions:

1. How to measure the mass of substance?
a. physical balance
b. digital balance
c. both of them
d. none of the above

2. Which chemist insisted on the use of balance?
a. Antoine Lavoisier
b. Michel Faraday
c. Lord Davis
d. None of them

3. Who demonstrated “ Law of Conservation of mass”?
a. Galileo Galilei
b. Michel Faraday
c. Antoine Lavoisier
d. John Dalton

4. What is the “Law of Conservation of mass principle”?
a. total mass change during the reaction
b. total mass remains constant during the reaction
c. both of them
d. none of them

5. Magnesium bulb experiment, the weight that is 11.2 gm. After the burning with electrical energy, the weight of that bull is 11.2 gm.

a. law of nature

b. law of magnesium bulb

c. law of conservation of mass

d. all of them

6. Weight of the object, which statement is correct
a. object weight is more at the equator
b. object weight more at the north and south pole
c. same in all places
d. all of them

7. What is weight
a. multiplication of mass and velocity
b. multiplication of mass and force
c. multiplication of mass and gravity due to acceleration
d. multiplication of mass and acceleration

8. Variables of the experiment
a. mass and temperature
b. volume and distance
c. both a and b
d. none of them

9. Example of derived variables
a. force and pressure
b. velocity and acceleration
c. both a and b
d. none of them

10. The experiment is,
a. Observation of natural phenomenon carried out in a controlled manner. So that the results can be duplicated and rational conclusion obtained
b. Observation of natural phenomenon carried out in an uncontrolled manner. So that the results can be duplicated and rational conclusion obtained
c. Observation of natural phenomenon carried out in a controlled manner. So that the results can be duplicated and irrational conclusion obtained
d. all of them

11. A law is,
a. a concise statement or mathematical equation about basic relationship or regularity of nature.
b. a concise statement or non-mathematical equation about relationship or regularity of nature.
c. a concise statement or non-mathematical equation about no relationship or no regularity of nature.
d. a concise statement or mathematical equation about no relationship or no regularity of nature.

12. Scientific explanation helps us
a. organise things
b. predict past events
c. organise knowledge and predict future events
d. all of them

13. The hypothesis is
a. A tentative explanation of some non-regularity of nature.
b. A tentative explanation of some regularity of nature.
c. An exact explanation of some regularity of nature.
d. none of the above

14. The statement is “to propose new experiment to be tested ”
a. synopsis
b. Hypothesis
c. both a and b
d. none of them

15. The theory is
a. Tested explanation of basic natural phenomena
b. proposal of basic natural phenomena
c. thought experimentation of basic natural phenomena
d. all of them

16. Main aspects of science are
a. observation or experimentation and explanation
b. explanation and theoretical
c. experimentation and non-observation
d. none of them

17. Experiments give
a. observation of some irregularity
b. observation of some regularity
c. both a and b
d. none of them

18. Explanation leads to
a. less experiments and more hypothesis
b. more experiments and less hypothesis
c. more experiments and more hypothesis
d. all of them

19. Scientific method is
a. process of laws, hypothesis and new experiments
b. hypothesis and new experiments
c. process of laws and hypothesis
d. process of laws and new experiments

20. How to differentiate cisplatin and transplatin
a. melting point
b. solubility in water
c. both a and b
d. none of them

21. Measurement is
a. comparison of physical quantity
b. comparison of colour change
c. comparison of taste
d. none of them

22. Statement of compassion is
a. non-unit of measurement
b. unit of measurement
c. both a and b
d. none of them

23. Centimetre scale is
a. standard comparison of time
b. standard comparison of temperature
c. standard comparison of length
d. all of them

24. Measurement numerically is
a. measured number and unit
b. measured colour and unit
c. measured number and colour
d. all of them

25. What is precision
a. The different set of values obtained from an identical measurement of quantity.
b. The closeness of the set of values obtained from an identical measurement of quantity.
c. The far of the set of values obtained from identical measurement of quantity.
d. all of them.

26. What is accuracy
a. The closeness of the single measurement to its true value.
b. The far of the single measurement to its true value.
c. The closeness of the more measurement to its true value.
d. none of them.

27. What are the significant figures?
a. Those digits of the number that include all certain digits minus a final one have some uncertainty.
b. Those whole of number that include all certain digits plus a final one have some uncertainty.
c. Those digits of number that include all certain digits plus a final one have some uncertainty.
d. All of them

28. Number of significant figures
a. The number of digits reported for a measured quantity, indicating the precision of the value.
b. The number of digits reported for a non-measured quantity, indicating the precision of the value.
c. The number of digits not reported for a measured quantity, indicating the precision of the value.
d. All of them

29. what is the number of significant figures of 9.12 cm and 9.124 cm
a. 5 and 6
b. 6 and 5
c. 3 and 4
d. 4 and 3

30. What is the number of the significant figure of 9.12 cm, 0.912 cm and 0.00912 cm
a. 3
b. 4
c. 2
d. 5

31. What is a significant figure of 9.00 cm, 9.10 cm and 90.0 cm
a. 4
b. 3
c. 5
d. 2

32. Scientific notation is
a. A X 10ⁿ
b. A X 10^n-1X10^1-n
c. A
d. None of them

33. 9.0 x 10² cm, what is a significant figure
a. 4
b. 6
c. 2
d. 0

34. 9.00 x 10² cm, what is a significant figure
a. 3
b. 6
c. 9
d. 1

35. What is rounding
a. the procedure of dropping significant digits
b. the procedure of adding non-significant digits
c. the procedure of adding significant digits
d. the procedure of dropping non-significant digits

36. Rounding of 1.2151 into two significant figure
a. 1.24
b. 1.23
c. 1.22
d. 1. 21

37. Rounding of 1.2143 into three significant figure
a. 1.24
b. 1.23
c. 1.22
d. 1. 21

38. Rounding of 1.225, 1.22500 and 1.21500 into three significant figure
a. 1.24
b. 1.23
c. 1.22
d. 1. 21

39. The exact number is
a. count items or number of units
b. discount items or number of non-units
c. both a and b
b. none of them

40. 9.00 and 24.0, the exact number is
a. 1 time of 9 units and 24 times of 1 unit
b. 9 times of 1 unit and 1 time of 24 units
c. 9 times of 1 unit and 24 times of 1 unit
d. all of them

Answers:

1. 1. c. both of them
2. a. Antoine Lavoisier
3. c. Antoine Lavoisier
4. b. total mass remains constant during the reaction
5. c. law of conservation of mass
6. b. object weight more at the north and south pole
7. c. multiplication of mass and gravity due to acceleration
8. a. mass and temperature
9. c. both a and b
10. a. Observation of natural phenomenon carried out in a controlled manner. So that the results can be duplicated and rational conclusion obtained
11. a. a concise the statement or mathematical equation about basic relationship or regularity of nature
12. c. organise knowledge and predict future events
13. b. A tentative explanation of some regularity of nature
14. b. Hypothesis
15. a. Tested explanation of basic natural phenomena
16. a. observation or experimentation and explanation
17. b. observation of some regularity
18. c. more experiments and more hypothesis
19. a. process of laws, hypothesis and new experiments
20. c. both a and b
21. a. comparison of physical quantity
22. b. unit of measurement
23. c. standard comparison of length
24. a. measured number and unit
25. b. The closeness of the set of values obtained from an identical measurement of quantity.
26. a. The closeness of the single measurement to its true value.
27. c. Those digits of number that include all certain digits plus a final one have some uncertainty.
28. a. The number of digits reported for a measured quantity, indicating the precision of the value.
29. c. 3 and 4
30. a. 3
31. b. 3
32. a. A  x 10ⁿ
33. c. 2
34. a. 3
35. b. the procedure of adding non-significant digits
36. c. 1.22
37. d. 1. 21
38. c. 1.22
39. a. count items or number of units
40. d. all of them

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