AP Intermediate 1st Year Chemistry Previous Question Papers. We covered all the AP Intermediate 1st Year Chemistry Previous Question Papers in this post for free so that you can practice well for the exam.
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AP Intermediate 1st Year Chemistry Previous Objective Question Papers for Students
Which would quickly absorb oxygen?
(A) An alkaline solution of pyrogallol
(B) Conc. H₂SO4
(C) Lime water
(D) Alkaline solution of CuSO4
Option a – An alkaline solution of pyrogallol
Sugarcane in reaction with nitric acid gives
(A) CO2 and SO2
(B) (COOH)2
(C) 2HCOOH(two moles)
(D) no reaction
Option b – (COOH)2
About 20 km above the earth, there is an ozone layer. Which one of the following statements about ozone and the ozone layer is true?
(A) It is beneficial to us as it stops U.V. radiation
(B) Conversion of O3 to O₂ is an endothermic reaction
(C) Ozone has a triatomic linear molecule.
(D) It is harmful as it stops useful radiation.
Option a – It is beneficial to us as it stops U.V. radiation
Which of the following bonds has the highest energy?
(A) S – S
(B) O-O
(C) Se – Se
(D) Te-Te
Option a – S – S
It is possible to obtain oxygen from air by fractional distillation because
(A) oxygen is in a different group of the periodic table from nitrogen
(B) oxygen is more reactive than nitrogen
(C) oxygen has higher b.p. than nitrogen
(D) oxygen has a lower density than nitrogen
Option c – oxygen has higher b.p. than nitrogen
The gases respectively absorbed by alkaline pyrogallol and oil of cinnamon are
(A) O3, CH4
(B) O2, O3
(C) SO₂, CH4
(D) N₂O, O3
Option b – O2, O3
Which one of the following statements regarding helium is incorrect?
(A) It is used to fill gas in balloons instead of hydrogen because it is lighter and non-i inflammable.
(B) It is used as a cryogenic agent for carrying out experiments at low temperatures
(C) It is used to produce and sustain powerful superconducting magnets.
(D) It is used in gas-cooled nuclear reactors.
Option a – It is used to fill gas in balloons instead of hydrogen because it is lighter and non-i inflammable
The correct order of solubility in water for He, Ne, Ar, Kr, and Xe is
(A) He > Ne > Ae> Kr> Xe
(B) Xe > Kr> Ar> Ne > He
(C) Ne > Ar> Kr> He > Xe
(D) Ar > Ne > He> Kr> Xe
Option b – Xe > Kr> Ar> Ne > He
Oxygen will directly react with each of the following elements except?
(A) P
(B) Cl
(C) Na
(D) S
Option b – Cl
We covered all the ap intermediate 1st year chemistry previous question papers above in this post for free so that you can practice well for the exam.
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