In the thermite process for extracting copper from its oxide, aluminum functions as a/an?

• A) Reducing agent
• B) Oxidizing agent
• C)
• D)

The amount of heat required to raise the temperature of 1 kg mass of that substance through 1K is called its__________.

• A) Specific heat
• B) Specific energy
• C) Latent energy
• D) Latent heat

Galvanization is a method to___________.

• A) Improve strength of iron metal
• B) Extract iron from ores
• C) Protect food from rancidity
• D) Protect iron from corrosion

Which line represents a vector that is multiplied by a positive integer greater than one
magnitude direction

• A) increases remains the same
• B) decreases changes
• C) increases changes
• D) decreases remains the same

If a ball falls from a height to ground the total mechanical energy will be _____.

• A) Zero
• B) Decrease
• C) Constant
• D) Increases

Specific heat capacity is the property of the substance per unit:

• A) Temperature
• B) Mass
• C) Volume
• D) Weight

Motion of freely falling body is an example of ________ motion.

• A) Vibratory motion
• B) Linear motion
• C) Random motion
• D) Circular motion

Greater the value of refractive index of a medium , the blending of light will be _______.

• A) Greater
• B) Smaller
• C) Zero
• D) Negative

In the electrolytic refining of copper, which electrode is the source of pure copper?

• A) Anode
• B) Cathode
• C)
• D)

The organizational level which includes all of the other levels is known as_________

• A) Organism
• B) Cell
• C) Biosphere
• D) Ecosystem

What is another name for the windpipe?

• A) Trachea
• B) Larynx
• C) Lungs
• D) Oesophagus

Working principle of geyser bases on which of the following?

• A) Conduction
• B) Charles law
• C) Convection
• D) Radiation

Another statement of Newton second law of motion is “rate of change of momentum is equal to________”

• A) Acceleration
• B) Force
• C) Mass
• D) Velocity

The Component which is present in smaller quantity in solution is known as

• A) Solvent
• B) Mixture
• C) Colloids
• D) Solute

Which one has no nucleus ?

• A) Capillaries
• B) White blood cells
• C) Red blood cells
• D) Arteries

Which line correctly identifies the steam point on the scales of temperature:
Kelvin/K Celsius/ºC Fahrenheit/ºF

• A) 373 0 32
• B) 273 0 32
• C) 273 100 212
• D) 373 100 212

In Cast Iron, the percentage of carbon content is:

• A) 2 to 4.3 %
• B) 2.7 to 6.8 %
• C) 1.7 to 5.5 %
• D) 1.2 to 3.5 %

In Bosch process, a mixture of carbon dioxide and ________gas is obtained

• A) Nitrogen
• B) Hydrogen
• C) Chlorine
• D) Oxygen

Matter can exist in four states (i) gas, (ii) plasma, (iii) Solid and (iv) liquid. For a particular element normally the states arranged in order of rising temperature (lowest to highest) are:

• A) (iii), (iv), (i) and (ii)
• B) (ii), (i), (iv) and (iii)
• C) (i), (ii), (iii) and (iv)
• D) (iv), (iii), (ii) and (i)

If we apply the force on an object but the object does not move, we can say that____

• A) Applied Force is equal to force of friction
• B) Applied Force is less than force of friction
• C) Applied force is equal to force of gravity
• D) Applied Force is greater than force of friction