Question 1:

Equivalent conductance of 1M CH₃COOH is 10 ohm^-1 cm² equiv^-1 and that at infinite dilution is 200 ohm^-1 cm² equiv^-1. Hence the % ionization of CH₃COOH is_____________________________

Question 2:

The vapour pressure of a pure solvent at 50^oC is 400mm. If 0.2 mole of a non volatile solute is added to 1 mole of the solvent the vapour pressure of that solution at 50^oC is nearly

1. 400mm
2. 200mm
3. 300mm
4. 333mm

Question 3:

What is the degree of hardness of a sample of water containing 24mg of MgSO₄ (molecular mass 120) per kg of water?

1. 10ppm
2. 15ppm
3. 25ppm
4. 20ppm

Question 4:

Chemical (X) is used for removal of temporary hardness of water. (X) reacts with Na₂CO₃ to produce caustic soda. When CO₂ is bubbled through (X), it turns cloudy. What is the chemical formula of (X)?

1. Ca(OH)₂
2. CaO
3. CaCO₃
4. Ca(HCO₃)₂

Question 5:

The heat of combustion of carbon and carbon monoxide are -393.5 and -283.5 kJ mol^-1, respectively. The heat of formation (in kJ) of carbon monoxide per mole is___________________________________

1. 676.5
2. -676.5
3. -110.5
4. 110.5

Question 1:

A solid sphere and a solid cylinder of same mass are rolled down on two inclined planes of heights h₁ & h₂. If at the bottom of the plane of two objects have same linear velocities, then ratio of h₁ to h₂ is

1. 2:3
2. 7:5
3. 14:15
4. 15:14

Question 2:

The initial velocity of a particle is u [at t=0] and the acceleration ƒ is given by αt. Which of the following relation is valid?

1. v= u+at²
2. v= u+at²/2
3. v= u+at
4. v= u

Question 3:

At which temperature, the centigrade and Fahrenheit scales are equal?

1. 40^o
2. -40^o
3. 37^o
4. -80^o

Question 4:

The rms velocity of H₂ molecules at 27^oC is 1930 m/s. The rms velocity of O₂ molecules at 1200K will be______________________________________.

Question 5:

An AC series circuit contains 4Ω resistance and 3Ω inductive reactance. What is the impedance of the circuit?

1. 1Ω
2. 5Ω
3. 7Ω
4. 7/√2 Ω

Question 1:

The algebraic expression x² + √5x + 9 is a

1. Polynomial
2. Not a Polynomial
3. Integer
4. None of these

Question 2:

The shadow of a tree 6m high is 2√3m. The angle of elevation of the sun will be

1. 60^o
2. 30^o
3. 75^o
4. None of these

Question 3:

Volume of the sphere whose radius is 1cm is

1. 1 cm³
2. 8.8 cm³
3. 14.4 cm³
4. None of these

Question 4:

A coin is tossed once what is the probability of getting tail

1. 1/2
2. 1
3. 2
4. None of these

Question 5:

The 12th term of A.P. 5, 8, 11,…… is_____________________________

Question 1:

Conversion of glucose to lactate takes place in

1. Aerobic condition
2. Anaerobic condition
3. Both Aerobic condition and Anaerobic condition
4. None of these

Question 2:

In respiration the energy not captured by ATP is converted to

1. Transferred to water
2. Converted to heat
3. Released with CO₂
4. Transferred to organic molecules

Question 3:

The phenomena which cools the surface of leaves is

1. Guttation
2. Translocation
3. Transamination
4. Transpiration

Question 4:

The only movable bone in the skull is

1. Maxilla
2. Frontoparietal
3. Mandible
4. Nasal

Question 5:

Which of these pests attack mustard?

1. Pod borer
2. Aphids
3. White grub
4. Pyrilla

Question 1:

What is the synonym of Adversity?

1. Failure
2. Misfortune
3. Helplessness
4. Crisis

Question 2:

Find the correct spelling.

1. Pugnacios
2. Pugnacious
3. Pagnacous
4. Pugnashous

Question 3:

Choose the correct answer. Your dreams________________________ if you try.

1. Accomplishes
2. will be accomplished
3. is accomplishing
4. has accomplished

Question 4:

Which of these words is closest in meaning to the word provided? “educe”

1. demand
2. elicit
3. ideal
4. unlawful

Question 5:

Choose one word for the following statement:

Government of the people, by the people and for the people

1. Democracy
2. Autocracy
3. Socialism
4. Anarchy