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NTSE
Ntse Assam Question Paper 2019
Sat
Quiz 5
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Q.1
If a conductor is folded 8 times then the resistance will be
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8 times
0%
4 times
0%
1/8 times
0%
1/64 times
Q.2
If R is the resistance, I is the current flowing and V is the potential difference across a conductor at a constant temperature, then Ohm’s law is
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I = VR
0%
R = VI
0%
V = IR
0%
V = I2R
Q.3
How much energy is Kilowatt hour is consumed in operating two 200 watt bulb for 10 hours per day in a month (30 days)?
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60 KWH
0%
6 KWH
0%
30 KWH
0%
200 KWH
Q.4
Particles released from Uranium atom in the increasing order of their velocity.
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Alpha, gamma, beta
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Alpha, beta, gamma
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Gamma, beta, alpha
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Beta, gamma, alpha
Q.5
We can write on a black board because of the force called
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Viscous force
0%
Frictional force
0%
Gravitational force
0%
Nuclear force
Q.6
The energy released by sun is due to
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Fission reaction
0%
Both fission and fusion reaction
0%
Fusion reaction
0%
Chemical reaction
Q.7
Which of the following are exothermic processes? (i) The reaction of water with lime (ii) Dilution of an acid (iii) Evaporation of water (iv) Sublimation of Camphor
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(i) and (ii)
0%
(ii) and (iii)
0%
(i) and (iv)
0%
(iii) and (iv)
Q.8
Which of the following gases can be used for storage of fresh sample of an oil for a long time ?
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\(CO_2\) or \(O_2\)
0%
\(N_2\) or \(O_2\)
0%
\(CO_2\) or \(He\)
0%
\(He\) or \(N_2\)
Q.9
An aqueous solution turns red litmus solution blue. Excess addition of which of the following will reverse the change ?
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Baking powder
0%
Lime
0%
Ammonium hydroxide solution
0%
Hydrochloric Acid
Q.10
Silver articles became black on exposure to air for longer time which may be due to the formation of -
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\(AgCN\)
0%
\(Ag_2O\)
0%
\(Ag_2S\)
0%
\(Ag_2S\) and \(AgCN\)
Q.11
Which of the following four metals would be displaced from the solution of its salts by other three metals ?
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Mg
0%
Cu
0%
Zn
0%
Fe
Q.12
Which of the following is not required to find the pH of a solution ?
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pH paper
0%
Litmus paper
0%
Universal indicator
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Standard pH chart
Q.13
Soaps are –
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Calcium Salt of acids
0%
Magnesium salts of acids
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Sodium and potassium salts of long chain fatty acids
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Salts of bases
Q.14
The general formula of esters where R represents the alkyl group is -
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ROH
0%
RCOR
0%
RCOOH
0%
RCOOR
Q.15
Which of the following does not belong to the same homologus series ?
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\(CH_4\)
0%
\(C_2H_6\)
0%
\(C_3H_8\)
0%
\(C_3H_6\)
Q.16
Which of the following elements would lose an electron easily ?
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Mg
0%
Na
0%
Rb
0%
Ca
Q.17
Upto which element the law of octaves was found to be applicable ?
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O
0%
Ca
0%
Co
0%
K
Q.18
Where would your locate the element with electronic configuration 2,8 in the modern periodic table ?
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group 8
0%
group 2
0%
group 15
0%
group 18
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