Chemistry Exam: Quiz Questions!

10 Questions | By Usamasaid2012u | Updated: Mar 21, 2022 | Attempts: 93

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Are you ready for your chemistry exam? Chemistry is the research of the matter, energy, and the relationship between them. Chemists become encouraged when they figure out how a chemical transformation occurs. It plays a crucial role in science, and it plays an essential role in daily life activities. Chemistry is also involved in the production of food and healthcare products. This quiz will get you excited about chemistry.

Questions and Answers

1.

Four elements A, B, C, and D: the element (A) used as a catalyst in the preparation of Ammonia gas in industry, one of the compounds of the element (B) used as an oxidizing agent in the dry cell, the element (C) used in the manufacture of heating coils and element (D) is the first discovered metal. Based on the previous information, the correct arrange of these four elements will be:
- A.
  
  Fe-Ni-Cu-Mn
- B.
  
  Mn-V-Fe-Zn
- C.
  
  V-Zn-Mn-Fe
- D.
  
  Fe-Mn-Ni-Cu
2.

The element or the compound or the alloy used in obtaining pure drinkable water in deserts.
- A.
  
  Copper
- B.
  
  Copper (II) sulphate
- C.
  
  Potassium permenganate
- D.
  
  Cobalt 60
3.

What is the suitable alloy for the manufacture of Juice containers?
- A.
  
  Iron-Aluminum
- B.
  
  Aluminum-Copper
- C.
  
  Manganese-Aluminum
- D.
  
  Iron-Manganese
4.

Nickel-Chromium alloy is used in heating coils and electric furnaces because:
- A.
  
  It resists corrosion even it is hot
- B.
  
  It has high resistance to electric current
- C.
  
  It produces high amount of heat
- D.
  
  It consume a small amount of energy to produce heat
5.

Which of the following compounds are used in the painting?
- A.
  
  ZnO / K₂Cr₂O₇ / MnO₂
- B.
  
  Cr₂O_{3 /}V₂O_{5 /}ZnO
- C.
  
  CuSO₄ / ZnO / Cr₂O₃
- D.
  
  Option 4
- E.
  
  K₂Cr₂O₇ / KMnO₄ / ZnO
6.

Which of the following is used in the manufacture of cosmetics?
- A.
  
  Zinc oxide , Titanium dioxide
- B.
  
  Manganese dioxide , Titanium dioxide
- C.
  
  Vanadium pentoxide , Manganese sulphate
- D.
  
  Chromium trioxide , Zinc oxide
7.

Which of the following are used as an oxidizing agent?
- A.
  
  KMnO₄ / Cr₂O₃ / V₂O₅
- B.
  
  MnO_{2 /}MnSO_{4 /}K₂Cr₂O₇
- C.
  
  CuSO_{4 /}V₂O_{5 /}MnSO₄
- D.
  
  K₂Cr₂O₇ / MnO₂ / KMnO₄
8.

Which of the following is used as a fungicide?
- A.
  
  ZnS , MnSO₄
- B.
  
  CuSO₄, MnSO₄
- C.
  
  ZnS, CuSO₄
- D.
  
  CuSO₄
- E.
  
  None
9.

Scandium is used in the manufacture of Git fighter due to:
- A.
  
  It has low density and high hardness
- B.
  
  It keeps its strength at elevated temperatures
- C.
  
  It gives steel hardness and corrosion resistance
- D.
  
  It resists the effect of atmosphere
10.

Cobalt-60 is used in quality control and treating cancer.
- A.
  
  As it s a radioactive element
- B.
  
  As it emits alpha rays
- C.
  
  As it emits gamma radiation
- D.
  
  As it produces ultrasonic waves