Q1.
Unit of universal gas constant is:
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Q2.
The compound which gives a positive iodoform test is:
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Q3.
Chlorination of methane in presence of sunlight is an example of:
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Q4.
The standard oxidation potential of Zn, Cu, Ag and H2 are 0.76 V, -0.34 V, -0.80 V and 0.0 V respectively. Which of the following is strongest reducing agent?
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Q5.
The number of isomers possible for a compound with molecular formula C4H10 is:
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Q6.
Which of the following elements has highest electron affinity?
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Q7.
Glycerol is a:
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Q8.
The maximum number of electrons that can be accommodated in a principal energy level 'n' is:
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Q9.
Cinnabar is an ore of:
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Q10.
The process of separating cream from milk is based on:
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Q11.
The half-life period of a first-order reaction is independent of:
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Q12.
When cross-sectional area of a metallic wire is halved, its specific resistance (resistivity):
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Q13.
A body falls freely from a height 'h' above the ground. After falling a distance h/2, its energy is:
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Q14.
The speed of sound in a gas is directly proportional to:
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Q15.
The unit of power of a lens is:
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Q16.
When a glass rod is rubbed with silk cloth, the glass rod:
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Q17.
The magnetic field lines inside a current-carrying long straight solenoid are:
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Q18.
The phenomenon of total internal reflection occurs when light travels from:
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Q19.
The escape velocity of a body from the surface of the earth depends upon:
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Q20.
The working of a hydraulic lift is based on:
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Q21.
Which of the following has the highest specific heat capacity?
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Q22.
The resistance of an ideal ammeter should be:
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Q23.
The fundamental particle responsible for carrying a positive charge in an atom is:
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Q24.
Which of the following behaves as both an oxidizing and a reducing agent?
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Q25.
The gas responsible for global warming is:
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Q26.
Permanent hardness of water can be removed by adding:
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Q27.
The formula of rust is:
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Q28.
The functional group present in aldehydes is:
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Q29.
An element has an electronic configuration of 2, 8, 7. Its valency is:
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Q30.
The pH of a neutral solution at 25°C is:
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Q31.
Which of the following is an example of a physical change?
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Q32.
The lens used to correct myopia (short-sightedness) is:
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Q33.
The kinetic energy of a body of mass 'm' moving with velocity 'v' is:
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Q34.
The working of a rocket is based on the principle of conservation of:
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