Questions Related to metals

Multiple choice chemistry metals chemical properties and uses of metals and non-metals introduction to metals physical properties of non-metals

Which of the following non-metal is commonly used as pesticides and photography?

  1. Bromine

  2. Helium

  3. Selenium

  4. Iodine

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Bromine compounds are effective pesticides, used to prevent pests from attacking stored grain and other produce. Bromine compounds are also used  in photography. Several compounds are used to make the light-sensitive component of a photographic emulsion; without bromine compounds photographs would not capture sufficient light.

Multiple choice chemistry metals chemical properties and uses of metals and non-metals introduction to metals physical properties of non-metals

______ Is used as a purple coloured antiseptic solution.

  1. Bromine

  2. Chlorine

  3. Iodine

  4. Sulphur

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Elemental iodine is used as a disinfectant in various forms. It works as an antiseptic and kills not only bacteria but healing cells within the wound. Tincture of iodine is prepared by dissolving iodine in KI solution & then adding alcohol or spirit. It is widely used for treating woods as antiseptic

Multiple choice chemistry metals chemical properties and uses of metals and non-metals introduction to metals physical properties of non-metals

Determine which of the following match is correct:


List I List II
1 Phosphorus a fuel
2 Nitrogen b lights
3 Carbon c crackers
4 Oxygen d plant fertilizers
5 Neon e respiration

  1. 1-e, 2-a, 3-d, 4-c, 5-b

  2. 1-c, 2-d, 3-a, 4-e, 5-b

  3. 1-b, 2-d, 3-e, 4-a, 5-c

  4. 1-c, 2-d, 3-b, 4-e, 5-a

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Phosphorus is most commonly used in crackers. 


Nitrogen is a very common plant fertilizer. It is used by plants for growth. 

Carbon is a good source of fuel. 

Oxygen is the most important element in human life. Oxygen is used for respiration. 

Neon generates a bright reddish-orange color. Neon lights refer to various colors and lights.

Multiple choice chemistry metals chemical properties and uses of metals and non-metals introduction to metals physical properties of non-metals

Which of the following non-metal can be used as plant fertilizer and for plant fixation?

  1. Nitrogen

  2. Carbon

  3. Sulphur

  4. Iodine

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Nitrogen is used by plants for fixation in the form of nitrates. It can also be used by to prepare ammonia which can in turn be used as nitrogen fertilizers. Liquid nitrogen can also be used to prevent food at a very low temperature.