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Question
Which of the following ismonomeric unitofthepolymerNylon-5 ?
The correct answer is:
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Reaction of ethylamine with chloroform in alcoholic KOH produces
Reaction of ethylamine with chloroform in alcoholic KOH produces
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Phosgene is a common name for
Phosgene is a common name for
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Identify the major product(P) of the following sequence of reaction.
Identify the major product(P) of the following sequence of reaction.
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X and Y are respectively:
X and Y are respectively:
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Product is:
Product is:
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‘p’ is:
‘p’ is:
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The major product is:
The major product is:
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Major product is:
Major product is:
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n-Propyl bromide on treatment with ethanolic potassium hydroxide produces
n-Propyl bromide on treatment with ethanolic potassium hydroxide produces
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Out of the following compounds, which one will have zero dipole moment
Out of the following compounds, which one will have zero dipole moment
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A cubical block of glass (μ=1.5) has a concentric spherical cavity of radius r=3 cm. Edge of the cube is l=12 cm long. A luminous point object ' O ' is at a distance a =12 cm from on the left face of the cube as shown in figure. Calculate the apparent position of the object when seen from right side of the cube.
A cubical block of glass (μ=1.5) has a concentric spherical cavity of radius r=3 cm. Edge of the cube is l=12 cm long. A luminous point object ' O ' is at a distance a =12 cm from on the left face of the cube as shown in figure. Calculate the apparent position of the object when seen from right side of the cube.
physics-General
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A ray of light strikes a plane mirror at an angle of incidence 45° as shown in the figure. After reflection, the ray passes through a prism of refractive index 1.50, whose apex angle is 4°. The angle through which the mirror should be rotated if the total deviation of the ray is to be 90° is:
A ray of light strikes a plane mirror at an angle of incidence 45° as shown in the figure. After reflection, the ray passes through a prism of refractive index 1.50, whose apex angle is 4°. The angle through which the mirror should be rotated if the total deviation of the ray is to be 90° is:
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For a small angled prism, angle of minimum deviation 
varies with the refractive index of the prism as shown in the graph
For a small angled prism, angle of minimum deviation varies with the refractive index of the prism as shown in the graph
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A light rays is incident upon a prism minimum deviation position and suffers a deviation of 34°. If the shaded half of the prism is knocked off, the ray will
A light rays is incident upon a prism minimum deviation position and suffers a deviation of 34°. If the shaded half of the prism is knocked off, the ray will
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A light ray is incident at an angle of incidence (π/4). The graph of 
versus sin e is shown in fig. The minimum angle of deviation corresponds to a prism with angle. (e = angle of emergence)
A light ray is incident at an angle of incidence (π/4). The graph of versus sin e is shown in fig. The minimum angle of deviation corresponds to a prism with angle. (e = angle of emergence)
physics-General
