1. A
   Copper carbonate
2. B
   Copper oxide
3. C
   Copper sulphate
4. D
   Copper nitrate

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1. A
   Limestone
2. B
   Quick Lime
3. C
   Chalk
4. D
   Marble

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1. A
   Ice
2. B
   Ice-cream
3. C
   Air
4. D
   Honey

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1. A
   Chemical weathering
2. B
   Physical weathering
3. C
   Biological weathering
4. D
   Bio-chemical weathering

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1. A
   Jharkhand, Chhattisgarh, Odisha, West Bengal
2. B
   Jharkhand, Odisha, Chhattisgarh, West Bengal
3. C
   Odisha, West Bengal, Jharkhand, Chhattisgarh
4. D
   Odisha, Chhattisgarh, West Bengal, Jharkhand

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1. A
   1 only
2. B
   1 and 2 only
3. C
   2 and 3 only
4. D
   1, 2 and 3

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1. A
   Canary current
2. B
   California current
3. C
   Kuroshio current
4. D
   Oyashio current

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1. A
   12 hours
2. B
   12 hours 26 minutes
3. C
   24 hours
4. D
   24 hours 52 minutes

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1. A
   Calcium carbonate
2. B
   Calcium sulphate
3. C
   Calcium hydroxide
4. D
   Calcium phosphate

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1. A
   $g_1 > g_2$
2. B
   $g_1 < g_2$
3. C
   $g_1 = g_2$
4. D
   Can't say anything

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1. A
   total internal reflection
2. B
   atmospheric refraction
3. C
   apparent shift in the direction of Sun
4. D
   dispersion

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1. A
   $V_A < V_B < V_C$
2. B
   $V_A > V_B > V_C$
3. C
   $V_A = V_B = V_C \neq 0$
4. D
   $V_A = V_B = V_C = 0$

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1. A
   $10^3 \text{ g cm/s}^2$
2. B
   $10^{-3} \text{ g cm/s}^2$
3. C
   $10^5 \text{ kg m/s}^2$
4. D
   $10^{-5} \text{ kg m/s}^2$

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1. A
   CD and BC
2. B
   BC and AB
3. C
   CD and AB
4. D
   AB and CD

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1. A
   The walls of flask are separated by vacuum and made of glass which is a poor conductor of heat
2. B
   The glass walls themselves have shiny surfaces
3. C
   The surface of inner wall radiates good amount of heat and the surface of outer wall absorbs some of the heat that is radiated from the inner wall
4. D
   The cork supports are poor conductors of heat

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1. A
   huge black star which has zero acceleration due to gravity on its surface
2. B
   star which has moderate acceleration due to gravity on its surface
3. C
   star which has collapsed into itself and has large acceleration due to gravity on its surface
4. D
   star which has collapsed into itself and has zero acceleration due to gravity on its surface

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1. A
   32
2. B
   22
3. C
   98
4. D
   42

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1. A
   Blue
2. B
   Red
3. C
   Green
4. D
   Violet

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1. A
   Laser Interferometer Gravitational wave Observatory
2. B
   Light Interferometer Gravitational wave Observatory
3. C
   Light Induced Gravity Observatory
4. D
   Laser Induced Gaseous Optics

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1. A
   conducting and of low melting point
2. B
   conducting and of high melting point
3. C
   insulator and of high melting point
4. D
   insulator and of low melting point

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1. A
   Andhra Pradesh
2. B
   Odisha
3. C
   Tamil Nadu
4. D
   Karnataka

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1. A
   Daman and Diu
2. B
   Chandigarh
3. C
   Dadra and Nagar Haveli
4. D
   Lakshadweep

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1. A
   Anticyclone
2. B
   Tropical Cyclone
3. C
   Temperate Cyclone
4. D
   Inter Tropical Convergence

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1. A
   Which follows the initial slope of the Himalaya
2. B
   Which existed before the Himalayan range came into existence
3. C
   Which followed the dip or rock beds of the Himalaya
4. D
   Which followed the strikes of rock beds of the Himalaya

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1. A
   State shall not own or control key industries and services
2. B
   State shall handover the key industries and services to the Indian business groups
3. C
   State should allow the Indian business group to invest fifty per cent of the capital
4. D
   State shall own or control key industries and services

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