Q.1:- Aluminium bears a diagonal relationship with ?
Q.2:- In the following four elements, the ionization potential of which one is the highest ?
Q.3:- Which of the following is not a liquid element ?
Q.4:- The long form of periodic table is based on ?
- Mass of the atom
- Shape of the atom
- Atomic Number
Q.5:- Alkali metals are in a group ?
- II A
- VII A
- I A
- III A
Q.6:- The first element of rare earth metal is ?
Q.7:- The screening effect of inner electrons of the nucleus causes ?
- Decrease in the ionisation energy
- Increase in the ionisation energy
- No effect on the ionisation energy
- Increase in the attraction of the nucleus to the electrons
Q.8:- The lightest metal is ?
Q.9:- Which one of the following is also known as solution ?
- A compound
- A homogeneous mixture
- A heterogeneous mixture
- A suspension
Q.10:- A solution which obeys Raoult’s law is ?
Q.11:- The solubility of a gas in liquid increases with ?
- Increase in temperature
- Reduction of gas pressure
- Decrease in temperature and increase in gas pressure
- Amount of liquid taken
Q.12:- Saturated solution of NaCl on heating becomes ?
- Remains saturated
- None of these
Q.13:- Which one is the heaviest ?
- 25g Hg
- 2 moles of H2O
- 2 moles of CO2
- 4 g atoms of O2
Q.14:- The hard shell of an egg was dissolved in HCL. The egg was then place in a concentrated solution of NaCl. What will happen ?
- The egg will shrink
- The egg will swell
- The egg will become harder
- There will be hardly any visible change
Q.15:- In which mode of express, the concentration of the solution remains independent of temperature ?
Q.16:- The life span of a Daniell cell may be increased by ?
- Larger Zn electrode
- Larger Cu electrode
- Lowering the temperature
- Lowering the concentrations
Q.17:- The deterioration of a metal by electrochemical process is commonly termed as ?
Q.18:- The extent of adsorption of a gas, on a solid depends upon ?
- Nature of gas
- Temperature of gas
- Pressure of gas
- All of these
Q.19:- An example of an associated colloid is ?
- Vegetable oil
- Rubber latex
- Soap solution
Q.20:- Colloidal solution are not purified by ?
Q.21:- Which of the following cell is a secondary cell ?
- Dry cell
- Mercury cell
- Fuel cell
- Ni cell
Q.22:- The element with the highest electrical conductivity is ?
Q.23:- Which one is an emulsifier ?
- Linseed oil
Q.24:- In acid base catalysis, the real catalyst is ?
- Acid and Base
- H+ ions
Q.25:- The cleaning action of soap and detergent in water is due to the formation of ?