Tag: chemical properties and uses of metals and non-metals

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

Find the incorrect match.

  1. Fine duct of aluminium - Paints and Lacquers

  2. Reducing agent in the manufacture of dye-stuffs, paints, etc. - copper dust

  3. For cutting tools and crushing machines - Chrome steel

  4. For making cables, automobiles and aeroplane parts - Nickel steel
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The fine duct of aluminium is used in paints and lacquers. For cutting tools and crushing machines chrome steel is used.

For making cables, automobiles and aeroplane part – nickel steel is used. But copper dust is not used as a reducing agent in the manufacture of dyestuffs and paints. So this second is the mismatch.

Correct option is B.

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

Iron is used in construction of bridges and houses.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

There are many different types of steels available today. Each type is made with iron combined with different elements including carbon, silicon, and nickel among others. Steel is an important component in every structure, in every type of construction. Therefore Buildings, bridges, skyscrapers, and other types of construction would not be complete if it does not include iron in its framework. 

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

A fire work gave bright crimson light. It probably contained a salt of ____________.

  1. Ca

  2. Sr

  3. Ba

  4. Mg
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Strontium element gives crimson red flame and it may be the salt of strontium carbonate which is used in the manufacture of red fireworks and pure strontium is used in the study of neurotransmitter release in neurons.

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 metal is found in our body?

  1. Iron

  2. Calcium

  3. Potassium

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All the above metals are found in body and are required for normal functioning of our body. Iron is found in haemoglobin and myoglobin which are required for oxygen transport in the body. Calcium is found in the structure of bone and teeth. Also plays a role in the growth of nerve cells.

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

________ is called a space age metal and used in military jets and spacecrafts.

  1. Zinc

  2. Platinum

  3. Copper

  4. Titanium
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

TItanium is known as the space age metal and  is expected to replace most of the metals used around the industries. However, its expensive and difficult mining process is keeping it from being used so commonly as aluminium or steel. Titanium is found to be stronger, durable and corrosion resistive in comparison to steel. It has the highest strength to weight ratio of all the metals. All these properties, along with its light weight, make it an ideal metal for space crafts and military jets. It is also used in making highly water - resistant diving watches.