Railways General Science & Technology Metals and Non-metals / धातु और अधातु Sample Paper

done Properties and Uses of Metals and Non-Metals Sample Test Paper-19 Total Questions - 20    [Download]

• question_answer1)
  The first metal to be used by man was
  A)
   Aluminium       
  done clear
  B)
   copper
  done clear
  C)
   Silver  
  done clear
  D)
   iron
  done clear
  View Answer play_arrow

• question_answer2)
  The metal that does not give \[{{H}_{2}}\] on treatment with dilute \[HCI\]is
  A)
   Zn                   
  done clear
  B)
   Fe
  done clear
  C)
   Ag                  
  done clear
  D)
   Ca
  done clear
  View Answer play_arrow

• question_answer3)
  The metal that is used as catalyst in the hydrogenation of oils is
  A)
   M                   
  done clear
  B)
   Pb
  done clear
  C)
   Cu                  
  done clear
  D)
   Pt
  done clear
  View Answer play_arrow

• question_answer4)
  The most malleable metal is
  A)
   Platinum          
  done clear
  B)
   silver
  done clear
  C)
   Iron                 
  done clear
  D)
   gold
  done clear
  View Answer play_arrow

• question_answer5)
  Which of the following elements behave chemically, both as a metal and a non-metal?
  A)
   Argon  
  done clear
  B)
   carbon
  done clear
  C)
   Xenon 
  done clear
  D)
   boron
  done clear
  View Answer play_arrow

• question_answer6)
  Which of the following is a non-ferrous metal?
  A)
   Cobalt 
  done clear
  B)
   aluminium
  done clear
  C)
   nickel  
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer7)
  A metal is left exposed to atmosphere for some time. It becomes coated with green basic carbonate. The metal must be
  A)
   Ag      
  done clear
  B)
          Cu
  done clear
  C)
   Al                   
  done clear
  D)
   Zn
  done clear
  View Answer play_arrow

• question_answer8)
  White lead is used as a
  A)
   Dye                 
  done clear
  B)
   vulcanizing agent
  done clear
  C)
   Bleaching agent
  done clear
  D)
   paint pigment
  done clear
  View Answer play_arrow

• question_answer9)
  Black lead is
  A)
   An allotrope of lead
  done clear
  B)
   a lead base pigment
  done clear
  C)
   Graphite          
  done clear
  D)
   a kind of charcoal
  done clear
  View Answer play_arrow

• question_answer10)
  Calcium metal tarnishes in air due to the formation of
  A)
   Calcium oxide
  done clear
  B)
   calcium bicarbonate
  done clear
  C)
   Calcium hydroxide
  done clear
  D)
   calcium carbonate
  done clear
  View Answer play_arrow

• question_answer11)
  Zinc helps in the synthesis of biological protein; this is the basis for using zinc ointment for
  A)
   Growing more hair
  done clear
  B)
   Healing wounds
  done clear
  C)
   Increasing body weight
  done clear
  D)
   Growing long nails
  done clear
  View Answer play_arrow

• question_answer12)
  Metals usually form.............. Oxides.
  A)
   Acidic  
  done clear
  B)
   basic
  done clear
  C)
   Neutral
  done clear
  D)
   saline
  done clear
  View Answer play_arrow

• question_answer13)
  Silver articles become black on prolonged exposure to air. This is due to the formation of
  A)
   \[A{{g}_{2}}O\]          
  done clear
  B)
   \[A{{g}_{2}}S\]
  done clear
  C)
   \[AgCN\]          
  done clear
  D)
   \[A{{g}_{2}}O\] and \[A{{g}_{2}}S\]
  done clear
  View Answer play_arrow

• question_answer14)
  A student placed an iron nail in copper sulphate solution. He observed the reddish brown coating on the iron nail: Which is
  A)
   Soft and dull
  done clear
  B)
   hard and flading
  done clear
  C)
   Smooth and shining
  done clear
  D)
   rough and granular
  done clear
  View Answer play_arrow

• question_answer15)
  Which among the following alloys contain non-metal as one of its constituents?
  A)
   Brass   
  done clear
  B)
   Amalgam
  done clear
  C)
   Gun metal       
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer16)
  The process of coating of Zn over Fe is known as
  A)
   Cathodic protection
  done clear
  B)
   Metallurgy
  done clear
  C)
   Tinning
  done clear
  D)
   Galvanization
  done clear
  View Answer play_arrow

• question_answer17)
  Which reducing agent is used in chemical reduction:
  A)
   C                    
  done clear
  B)
   CO
  done clear
  C)
   Al                   
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer18)
  Which of the following metals is in a liquid state at normal room temperature?
  A)
   Sodium
  done clear
  B)
   radium
  done clear
  C)
   Gallium           
  done clear
  D)
   silicon
  done clear
  View Answer play_arrow

• question_answer19)
  Match the following

  	List- I		List- II
  A.	Calomel	1.	Copper Sulphate
  B.	Blue vitriol	2.	Calcium sulphate
  C.	Gypsum	3.	Mercurous chloride
  D.	Normal salt	4.	Sodium chloride

  Codes:
  A)
   A-1 B-2, C-3, D-4
  done clear
  B)
   A-4, B-3, C-2, D-1
  done clear
  C)
   A-3, B-2, C-1, D-4
  done clear
  D)
   A-3, B-1, C-2, D-4
  done clear
  View Answer play_arrow

• question_answer20)
  Tellurium is a
  A)
   Metal  
  done clear
  B)
   non-metal
  done clear
  C)
   Metalloid
  done clear
  D)
   transition metal
  done clear
  View Answer play_arrow