Question

Stainless steel contains iron and

A. $$Cr + Ni$$  
B. $$Cr + Zn$$
C. $$Zn + Pb$$
D. $$Fe + Cr + Ni$$
Answer :   $$Cr + Ni$$
Solution :
Stainless steel is resistant to rusting. It contains 73% iron, 18% chromium and 8% nickel. Stainless steel is used in utensils, cycle, cutlery and automobile parts.

Releted MCQ Question on
Inorganic Chemistry >> D and F Block Elements

Releted Question 1

When same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide, the ratio of volume of hydrogen evolved is

A. $$1:1$$
B. $$1:2$$
C. $$2:1$$
D. $$9:4$$
Releted Question 2

Which of the following is the weakest base

A. $$NaOH$$
B. $$Ca{\left( {OH} \right)_2}$$
C. $$KOH$$
D. $$Zn{\left( {OH} \right)_2}$$
Releted Question 3

One of the constituent of German silver is

A. $$Ag$$
B. $$Cu$$
C. $$Mg$$
D. $$Al$$
Releted Question 4

Which of the following dissolve in hot conc.$$NaOH$$  solution

A. $$Fe$$
B. $$Zn$$
C. $$Cu$$
D. $$Ag$$

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D and F Block Elements


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