Science Quiz On 11th Grade Chemistry
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Chemistry is an interesting subject whose history dated far back. It is the study of matter. In another words study of anything that has mass and occupy space. So it is basically study of almost all things. Most basic concepts a Chemistry student need to master includes;chemical nomenclature,atomic structure,periodic table,lewis structure, chemical reaction, stoicchometry ,acid base chemistry.
- 1.Which of the following is true?
- A.
Electron affinity decreases down the group
- B.
Electron affinity decreases across the period
- C.
Electron affinity varies according to element group
- D.
Non of the above
- 2.Which of the following is true?
- A.
Metals have high electron affinity
- B.
Halogens have high electron affinity
- C.
Non of the above
- D.
All of the above
- 3.What is ionic Bonds?
- A.
When one atom takes an electron from another
- B.
When one atom takes a proton from another
- C.
When one atom takes neuron from another
- D.
Non of the above
- 4.Which of the following is example of ionic Bond?
- A.
H3O
- B.
H2O
- C.
NH3
- D.
Nacl
- 5.What is a covalent bond?
- A.
When an atom splits electrons
- B.
When atoms rejects eletron
- C.
When atoms shares electrons
- D.
Non of the above
- 6.Which of the following is an example of a covalent bond?
- A.
Nacl
- B.
Kcl
- C.
H2O
- D.
Alcl3
- 7.What is the full meaning of IUPAC?
- A.
International union of pure and applied chemistry
- B.
International union of petroleum and aero chemicals
- C.
Internal united political advancement countries
- D.
Non of the above
- 8.What is the IUPAC name of NaCl
- A.
Sodium nitrite
- B.
Nitrate chlorine
- C.
Sodium chlorine
- D.
Sodium chloride
- 9.What is the IUPAC name of NO2-?
- A.
Nitrate
- B.
Nitrogen two minus
- C.
Nitrite
- D.
Nitrogen oxygen
- 10.What is the IUPAC name of NO3-?
- A.
Nitrate
- B.
Nitrite
- C.
Nitrogen oxygen
- D.
Nitrogen three minus
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