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51) The green colour seen in firework displays is due to the chloride salt of:
Correct Answer - Option
(B)
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Learn BANK PO MCQs with answers [Page 6 of Department 130]
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52) Removal of carbon particles from air involves the principle of
Correct Answer - Option
(D)
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53) It is easy to burst a gas-filled balloon with a neelde than with a nail. It is as
Correct Answer - Option
(A)
No Explanation found. Add Explanation and get +2 points.
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54) Liquefied Petroleum Gas (LPG) consists of
Correct Answer - Option
(C)
No Explanation found. Add Explanation and get +2 points.
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55) Which of the following one of the following is known as the 'brown coal' -
Correct Answer - Option
(D)
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56) Which one of the following is another name of RDX?
Correct Answer - Option
(C)
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57) Which among the given is/are the example/examples of chemical change? 1. Crystallisation of sodium chloride.
2. Melting of ice.
3. Souring of milk.
Select the right answer using the codes given below
Correct Answer - Option
(A)
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58) Which of the following metal is the heaviest in periodic table among the following
Correct Answer - Option
(D)
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59) Sulphur dioxide level in the atmosphere can be reduced by using
Correct Answer - Option
(B)
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60) Which of the following one of the following is a micro-element -
Correct Answer - Option
(D)
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