Best Chemistry Quiz Questions for General Chemical Sciences [+60 ]

  Chemistry Quiz Questions set-1

Chemistry Quiz questions are useful for school students for their examination and other science fairs tests. Here, only the question is posted to test your skills in general chemistry at the school level. These chemistry quiz questions are useful for science fair quiz also.

1.Which of the following substance is metal:
(a) N
(b) O
(c) S
(d) Li
2. Dry ice is:
(a) Solid CO₂
(b) Solid NH₃
(c) Solid N₂
(d) Solid O₂
3. Covalent Compounds are more soluble in :
(a) Water
(b) Organic solvent
(c) Both Water and Organic Solvent
(d) None of the above
4. What is heavy water:
(a) HDO
(b) H₂O
(c) D₂O
(d) D₂O₂
5. Li shows a diagonal relationship with :
(a) Na
(b) K
(c) Cd
(d) Mg
6. Biogas Mainly contains:
(a) Methane
(b) Butane
(c) Propane
(d) Acetylene
7. The atomic mass number of tritium:
(a) 1
(b) 2
(c) 3
(d) 6
8. The LCAO approximation method:
(a) Thermodynamics
(b) Catalysis
(c) Nuclear Chemistry
(d) The Molecular Orbital Theory
9. The Zero point energy :
(a) kT
(b) 1/2kT
(c) 1/2hv
(d) hv
10. The smallest ionic radius among the following ions:
(a) K⁺
(b) Ca²⁺
(c) Zn²⁺
(d) Fe³⁺
11. Which has the highest electron affinity:
(a) F
(b) I
(c) Cl
(d) Br
12. Which of the following compound has the highest lattice energy:
(a) CsF
(b) NaF
(c) RbF
(d) KF
13. The most basic ionic species from the following:
(a) F⁻
(b) NH₂⁻
(c) CH₃⁻
(d) OH⁻
14. Which of the following compound is most acidic in water:
(a) HF
(b) CH₄
(c) NH₃
(d) None of the above
15. From the following, An example of a colligative property is:
(a) Vapour pressure
(b) Osmotic Pressure
(c) Boiling Point
(d) Freezing Point
16. The dark purple color of KMnO₄ is due to:
(a) d-d transition
(b) Ligand field transition
(c) Charge transfer transition
(d) none of the above
17. Which of the following properties of alkaline earth metal increases with increase in atomic number?:
(a) The solubility of the sulfates
(b) Electron negativity
(c) Electron affinity
(d) Ionization enthalpy
18. The folloCheck the answer to each multiple-coice question, and click on the "Send Form" button to submit the information. which set of elements mostly occurs in the form of sulfide ores:
(a) Zn, Cu, Na
(b) Cu, Ag, Au
(c) Zn, Cu, Pb
(d) None of the above
19. The units of Plank's constant are:
(a) J/s
(b) J
(c) Js
(d) no units
20. Among these, The weakest bond is:
(a) Covalent
(b) Ionic bond
(c) Metallic
(d) H-bond
21. How many electrons can have quantum numbers I=3,n=4 & m=0:
(a) zero
(b) 14
(c) 10
(d) 2
22. The element which shows the largest range in oxidation state is:
(a) Mn
(b) Fe
(c) V
(d) Cr
23. Which of the following is an extensive property:
(a) Density
(b) V
(c) P
(d) T
24. Which of the following is not a bidentate ligand:
(a) acetylacetonate
(b) oxalate ion
(c) both acetylacetonate and oxalate ion
(d) Pyridyl
25. The number of unpaired electrons present in the iron atom is:
26. The electron deficient species out of the following is:
(a) :CH₂
(b) :CH₂
(c) both:CCl₂ and :CH₂
(d) None of these
27. The increase in the intensity of the UV absorption signal is known as:
(a) Hypochromic shift
(b) Hyperchromic shift
(c) Hypsochromic shift
(d) Bathochromic shift
28. Accuracy means:
(a) Precision
(b) mean deviation
(c) correct observation
(d) reproducibility of a result
29. If there were no empty space in an atom & formed of nuclei only, then how many nuclei could be adjusted in the atom:
(a) 10,000 or more
(b) 1000
(c) 100
(d) 1
30. Which of the following is not the characteristic of hard bases:
(a) The donor atoms in them posses low polarizability
(b) They bind the proton strongly
(c) They bind the proton weakly
(d) They are not easily oxidized

Chemistry Quiz questions set-2

Chemistry Quiz questions are useful for school students for their examination. Here, only the general chemistry quiz questions are posted to test your skills in general chemistry at the school level. These chemistry quiz questions are useful for science experiments quiz also.

1. What is the degeneracy of 3d orbitals:
(a) 5
(b) 3
(c) 11
(d) 1
2. On electrolysis of an aqueous solution of ICI, the I₂ is obtained at:
(a) Cathode
(b) Anode
(c) Both the electrodes
(d) None of these
3. 10⁻⁸ M HCL solution has pH around:
(a) 7.2
(b) 7.5
(c) 6.95
(d) 8
4. Joule Thomson expansion is:
(a) Isoenthalpic
(b) Isobaric
(c) Isothermal
(d) Isochoric
5. Highest filled energy orbitals for the element with atomic number No. 30 is (in-ground state)
(a) 4s
(b) 3d
(c) 4p
(d ) 4d
6. The IUPAC name of the compound with formula CH2=CH−C≡CH is:
(a) 3-Buten-1-yne
(b) 1-Butyn-3-ene
(c) But-1-en-3-yne
(d) But-1-yne-3-ene
7. The most stable carbocation out of the following is:
(a) triphenylmethyl cation
(b) benzyl cation
(c) 3⁰-carbocation
(d) allyl cation
8. Which of the following radiation has the longest wavelength:
(a)  Radiowave
(b) Microwave
(c) UV
(d) IR
9. What will be the significant number in 0.001047:
(a) 7
(b) 3
(c) 6
(d) 4
10. Au⁺, Au²⁺ , and Au³⁺ have:
(a) different equivalent weights
(b) different atomic numbers
(c) different protons
(d) different atomic weights
11. For the titration between a weak acid and NaOH, an appropriate indicator should have a pH value of:
(a) 12
(b) 6
(c) 9
(d) 4
12. Which is the correct relationship?
(a) Joule = Volt ₓ ampere ₓ second
(b) Joule = Volt ₓ ampere / Siemens
(c) Joule = Volt ₓ ampere ₓ Siemens
(d) Joule = Volt ₓ siemens
13. In Joule Thomson expansion:
(a) △S=0
(b) △V=0
(c) △T=0
(d) △H=0
14. The element having the lowest is:
(a) Os
(b) Mn
(c) Fe
(d) Cr
15. The correct name for 3-methyl-2-isopropylhexane is:
(a) 2-Ethyl-3-methyl heptane
(b) 2,3-Dimethylloctene
(c) 2,4-Dimethylloctane
(d) 2,3,4-Trimethylheptane
16. Cyclopentadienyl carbonation is very stable because of:
(a) aromatic character
(b) resonance
(c) both aromatic character and resonance
(d) its non-planar structure
17. The O-H stretching appears at the⁻¹ in IR spectrum:
(a) 1700-1800
(b) 3000-2800
(c) 3300-3200
(d) 3600-2800
18. Variance is defined as:
(a) square root of standard deviation
(b) square of the standard deviation
(c) another name of standard deviation
(d) none of the above
19. Bohr model of an atom is meant for:
(a) He
(b) H
(c) Li²⁺
(d) Both H and Li²⁺
20. In the dry cell, Mn changes its oxidation state from:
(a) +3 to +4
(b) +4 to +2
(c) +2 to +4
(d) +4 to +3
21. Which of the following spontaneous process leads to a decrease in entropy?
(a) burning of fuel
(b) degradation of organic malts
(c) photosynthesis in plants
(d) Respiration process
22. Lanthanides are separated by:
(a) GLC
(b) Arthur Forest method
(c) Froth Flotation
(d) Ion Exchange method
23. Which of the alkali metals and alkaline earth metals do not produce H₂ gas from cold water?
(a) Mg
(b) Li
(c) both Li and Mg
(d) Ba
24. On hydroboration oxidation propene forms:
(a) glycerol
(b) glycol
(c) 1-propanol
(d) isopropyl alcohol
25. IR spectra are usually recorded in the terms of:
(a) wavelength
(b) wavenumber
(c) absorbance
(d) energy
26. A blank solution means:
(a) contains all the reagents but no sample
(b) any solution of unknown concentration
(c) no solution in the container
(d) contains solvent and all reagents with the sample
27. Which vibrational mode of CO₂ is infrared active:
(a) symmetric stretch
(b) Asymmetric stretch
(c) both of these
(d) none of these
28. What is the product of the Perkin reaction between benzldehyde and actic anhydrase?
(a) cinnamic acid
(b) benzyl alcohol
(c) benzoin
(d) ethylbenzene
29. Which of the following is least soluble in water?
(a) LiCl
(b) KCl
(c) CsCl
(d) NaCl
30. Which of the following would give ferric ions in the aqueous medium?
(a) Ferric-alum
(b) Potassium Ferricyanide
(c) Mohr's salt
(d) Magnetic oxide of ion

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