Chemistry Solved Questions and Answers Set 15

January 25, 2019 entranciology Chemistry Solved Questions and Answers Sets, Solved Questions and Answers Sets For Competitive Exams 0

Q.1:- Rectified spirit contains ?

  1. 75% Alcohol
  2. 5% Alcohol
  3. 56% Alcohol
  4. 100% Alcohol

Q.2:- Which one among the following fuels is used in gas welding ?

  1. LPG
  2. Ethylene
  3. Methane
  4. Acetylene

Q.3:- Candles contains a mixture of ?

  1. Bees wax and paraffin wax
  2. Bees wax and stearic acid
  3. Paraffin wax and stearic acid
  4. Higher fatty acid

Q.4:- Fruit smell is given by ?

  1. Esters
  2. Alcohols
  3. Chloroform
  4. Acid Anhydride

Q.5:- The sweetest of all sugars is ?

  1. Glucose
  2. Lactose
  3. Sucrose
  4. Fructose

Q.6:- Protein is an important constituent of our diet. It functions mainly as ?

  1. A source of energy
  2. A construction material
  3. Shock Absorber
  4. Reserve food

Q.7:- The vitamin which is water soluble and antioxidant is ?

  1. Vitamin C
  2. Vitamin B
  3. Vitamin E
  4. Vitamin D
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Q.8:- What does protein deficiency in the children usually between the ages of 1 to 3 years cause ?

  1. Anaemia
  2. Goitre
  3. Kwashiorkor
  4. Xerophthalmia

Q.9:- ‘White Lung Cancer’ is caused by ?

  1. Asbestos
  2. Silica
  3. Textiles
  4. Paper

Q.10:- The gas which present in both the natural gas and the biogas is ?

  1. Methane
  2. Butane
  3. Hydrogen
  4. Carbon Monoxide

Q.11:- Air is ?

  1. Compound
  2. Element
  3. Mixture
  4. Solution

Q.12:- Among the given nutrients, milk is a poor source of ?

  1. Calcium
  2. Protein
  3. Carbohydrate
  4. Vitamin C

Q.13:- Cathode rays can be deflected by ?

  1. Magnetic field only
  2. Electric field only
  3. Both types of fields
  4. None of these

Q.14:- 7Li3 and 8Be4 are called ?

  1. Isotopes
  2. Isobar
  3. Isotones
  4. None

Q.15:- Gamma rays are ?

  1. High energy electrons
  2. Low energy electrons
  3. High energy electromagnetic
  4. High energy positron waves
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Q.16:- Formation of anions occurs by ?

  1. Loss of neutrons
  2. Gain of protons
  3. Gain of electrons
  4. None of the above

Q.17:- The structure of Ethylene is ?

  1. Linear
  2. Tetrahedral
  3. Octahedral
  4. Triangular

Q.18:- The highest state of Mn is shown in ?

  1. K2MnO4
  2. KMnO4
  3. MnO2
  4. Mn2O3

Q.19:- Acids reach with bases to give ?

  1. Ester
  2. Alcohol
  3. Salt
  4. None

Q.20:- Enzyme catalysis is an example of ?

  1. Auto Catalysis
  2. Heterogeneous Catalysts
  3. Homogeneous Catalysts
  4. Induced Catalysts

Q.21:- During Isothermal expansion of an ideal gas, its internal energy ?

  1. Decreases
  2. Increases
  3. May increase or decrease
  4. Remains unchanged

Q.22:- Electron affinity of noble gases is ?

  1. Almost zero
  2. Low
  3. High
  4. Very High
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Q.23:- Which of the following elements is most metallic ?

  1. P
  2. As
  3. Sb
  4. Bi

Q.24:- The number of mole of solute per litre solution is called ?

  1. Molality
  2. Normality
  3. Molarity
  4. Mole Fraction

Q.25:- Blood cells do not shrink in blood because blood is ?

  1. Hypertonic
  2. Isotonic
  3. Equimolar
  4. Hypotonic

 

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