Science Part 1 Question Bank Solution – Q.1 (B) I. Find the correlation

1. Eka boron : Scandium :: Eka Aluminum : _________
Ans: Eka boron : Scandium :: Eka Aluminum : Gallium

2. Mendeleev’s periodic table : atomic mass :: Modem periodic table : _________
Ans: Mendeleev’s periodic table : Atomic mass :: Modem periodic table : Atomic number

3. Group 1 and 2 : s block :: group 13 and 18 : _________
Ans: Group 1 and 2 : s block :: group 13 and 18 : p Block

4. Group 13 to 18 : p block :: _________ d block
Ans: Group 13 to 18 : p block :: Group 3 to 12 : d block

5. Two elements in the same position : demerit of Newland’s octaves :: place for Isotopes : _________
Ans: Two elements in the same position : demerit of Newland’s octaves :: place for Isotopes : Demerits of Mendeleev’s periodic table

6. Beryllium : alkaline earth metal:: sodium: _________
Ans: Beryllium : alkaline earth metal :: sodium: Alkali metal

7. Cl: halogen group :: Ar : _________
Ans: Cl : halogen group :: Ar : zero group

8. Iodine : solid :: bromine : _________
Ans: Iodine : solid :: bromine : liquid

9. Electric motor : converts electrical energy into mechanical energy :: Electric generator: _________
Ans: Electric motor : converts electrical energy into mechanical energy :: Electric generator : converts mechanical energy into electrical energy

10. Fleming’s left hand rule : electric current :: Fleming’s right hand rule : _________
Ans: Fleming’s left hand rule : electric current :: Fleming’s right hand rule : direction of induced current

11. Alternating current: oscillatory :: Direct current: _________
Ans: Alternating current: oscillatory :: Direct current: non-oscillatory

12. When ice is converted into water : constant temperature :: before the water boils : _________
Ans: When ice is converted into water : constant temperature :: before the water boils : temperature is increasing

13. Relative humidity greater than 60% : humid air :: relative humidity less than 60% : _________
Ans: Relative humidity greater than 60% : humid air :: relative humidity less than 60% : dry air

14. While studying anomalous behaviour of water in Hope’s apparatus, the upper temperature of the thermometer : 0 °C :: lower temperature of the thermometer :_________
Ans: While studying anomalous behaviour of water in Hope’s apparatus, the upper temperature of the thermometer : 0 °C :: lower temperature of the thermometer : 4 °C

15. The density of water is high at 4 °C : anomalous behaviour of water :: shredded ice converted into solid ice balls : _________
Ans: The density of water is high at 4 °C : anomalous behaviour of water :: shredded ice converted into solid ice balls : Regelation

16. Specific latent heat of vaporisation : J/kg :: specific heat: _________
Ans: Specific latent heat of vaporisation : J/kg :: specific heat: J/kg °C

17. ₂n₁: Refractive index of medium 2 with respect to medium 1 :: ₁n₂ : _________
Ans: ₂n₁: Refractive index of medium 2 with respect to medium 1 :: ₁n₂ : Refractive index of medium 1 with respect to medium 2