SuperCoaching AE/JE by Testbook
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A ball bounces to 81% of its initial height. What % of its KE is lost in each bounce?
Anonymous Quiz
35%
19%
34%
9%
21%
10%
10%
81%
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Which has the lowest molar conductivity at infinite dilution?
Anonymous Quiz
17%
HCl
39%
NaCl
12%
KCl
32%
CH₃COOH
Which complex exhibits highest paramagnetic behavior?
Anonymous Quiz
25%
[Cr(H₂O)₆]Cl₂
49%
[Fe(CN)₆]⁴⁻
21%
[V(H₂O)₆]Cl₃
5%
[Ni(CO)₄]
2
A body cools from 60°C to 50°C in 10 min. If the room temp is 25°C, how long to 40°C?
Anonymous Quiz
13%
10 min
31%
12 min
38%
13.3 min
18%
15 min
A disc rolls w/o slipping. Fraction of total KE associated with rotation is:
Anonymous Quiz
30%
1/4
46%
1/3
19%
2/7
5%
2/5
1
Which gives fastest SN1 reaction?
Anonymous Quiz
17%
(CH3)3CCl
43%
CH3CH2Cl
16%
CH3Cl
23%
CH3CH2CH2Cl
A particle's KE increases by 300%. Momentum increases by?
Anonymous Quiz
31%
100%
30%
173%
17%
200%
22%
300%
If f(x)+f(1/x)=x+√(1+x²), then f(1)=?
Anonymous Quiz
35%
1+√2
38%
√2
18%
1
9%
Undefined