Shubham Jha - Class 11 & 12
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How many significant figure are there in 0.00010
Anonymous Quiz
55%
2
30%
5
5%
8
10%
4
👍3
Law of definite porportion given by
Anonymous Quiz
27%
Lavoisier
20%
Laurent
39%
Joseph proust
14%
Lussac
👍2
In chemical process the loss of mass is
Anonymous Quiz
19%
High
20%
Medium
10%
Low
51%
Negligible
👍3👏1
How many significant figure in π
Anonymous Quiz
12%
3
6%
5
72%
Infinty
9%
2
👍4
👏4
Copper + zinc=
Anonymous Quiz
39%
Brass
47%
Bronze
14%
Tin
👍3
The mass of a substance Ingram in called its
Anonymous Quiz
39%
Atomic mass
41%
Molar mass
11%
Molarity
9%
Mass
🥰6
👍2
Two number of significant figure is 0.0045 are
Anonymous Quiz
54%
2
21%
3
20%
4
5%
5
👍3
How many gram of h3 po4 is required to completely neutrailize 120g of NaOH
Anonymous Quiz
14%
49
46%
98
28%
196
12%
9.8
👍1
5.6L of a gas at step weight equal to 8 g the vapour density of gas is
Anonymous Quiz
16%
32
47%
16
31%
8
6%
40
👍2
One atom of an element weight 1.8×10^-22 g it's atomic mass is
Anonymous Quiz
9%
29.9g
41%
108.36g
43%
18g
7%
154g
👍2
The number of oxygen atom present in 14.6 g of magnesium bicarbonate is
Anonymous Quiz
28%
6NA
47%
0.6NA
14%
NA
11%
NA/2
👍1🔥1
🔥7👍1👏1
👍3💩2
Which of the following is not a unit of time
Anonymous Quiz
7%
Second
8%
Minute
31%
Year
54%
Light year
👍4👏1