Q.1:- Good conductors have many loosely bound ?
- Protons
- Neutrons
- Atoms
- Electrons
Q.2:- The plant cell will shrink when placed in ?
- Water
- Hypotonic Solution
- Hypertonic Solution
- An isotonic solution
Q.3:- Adsorbed acetic acid on activated charcoal is ?
- Adsorbate
- Adsorber
- Absorber
- Absorbent
Q.4:- The art of electroplating was given by ?
- Edison
- Faraday
- Thomas Graham
- Brugan
Q.5:- The electrochemical cell stops working after some time because ?
- Electrode potential of both the electrodes becomes zero
- One of electrodes completely vanishes
- Electrode potential of both electrodes equalizes
- The reaction reverses its direction
Q.6:- Smoke is a colloidal dispersion of ?
- Solid in a gas
- Liquid in a gas
- Gas in a solid
- Gas in a gas
Q.7:- The CMC is the concentration at which ?
- True solution is formed
- Micellization
- One molar electrolyte is present per 1000 g of solution
- Solute and solution form equilibrium
Q.8:- Na+ ion is isoelectronic with ?
- Li+
- Mg2+
- Ca2+
- Ba2+
Q.9:- The substance that are composed of two or more different element in fixed proportion by mass are called ?
- Mixture
- Compound
- Element
- None of these
Q.10:- The MKS system was first introduced by ?
- Archimedes
- Einstein
- Newton
- Giorgi
Q.11:- An atom has 7 electrons in its M-shell and contains 18 neutrons in its nucleus. What is its mass number ?
- 25
- 27
- 35
- 43
Q.12:- The Alpha particles are ?
- High energy electrons
- Positively charged Hydrogen ions
- High energy X- ray radiations
- Double positively charged Helium Nuclei
Q.13:- The oxidation number of Iron in Fe3O4 is ?
- +1
- +3
- 8/3
- 2/3
Q.14:- The oxidation number and covalency of Sulphur in S8 is ?
- +2, 0
- 0, 2
- 0, 8
- 6, 2
Q.15:- Deviations from ideal behaviour will be more of the gas is subjected to ?
- Low temperature and high pressure
- High temperature and low pressure
- Low temperature
- High temperature
Q.16:- At constant temperature, the product of pressure and volume of a given amount of a gas is constant. This is ?
- Gay-Lussac Law
- Charles’ Law
- Boyle’s Law
- Pressure Law
Q.17:- The acid used in eye wash is ?
- Oxalic Acid
- Nitric Acid
- Boric Acid
- None of the above
Q.18:- The density of the gas is equal to ?
- Np
- MP/RT
- P/RT
- M/V
Q.19:- The substance which decreases the rate of a chemical reaction is called ?
- Inhibitor
- Poison
- Moderator
- Promotor
Q.20:- Glucose or fructose is converted into C2H5OH in the presence of ?
- Invertase
- Diastase
- Maltase
- Zymase
Q.21:- Non ideal gases approach ideal behaviour ?
- High temperature and high pressure
- High temperature and low pressure
- Low temperature and high pressure
- Low temperature and low pressure
Q.22:- Halogens belong to the ?
- S-Block
- P-Block
- F-Block
- None of the above
Q.23:- The properties of elements of Mendeleev’s periodic law were the periodic functions of their ?
- Atomic number
- Atomic weight
- Mass of the atom
- Shape of the atom
Q.24:- All the elements in a group in the periodic table have the same ?
- Atomic weight
- Same number of valence electrons
- Atomic number
- None of these
Q.25:- Which of the following element has the lowest electron affinity ?
- Selenium
- Arsenic
- Iodine
- Argon