316031
Match the column I with column II and choose correct option Column I Column II A Quick lime P Setting fractured agent B Plaster of Pairs Q A constituent of chewing gum C Slaked lime R Manufacture of bleaching powder D Limestone S Manufacture of dyestuffs
1 A - P, B - S, C - Q, D - R
2 A - S, B - P, C - R, D - Q
3 A - Q, B - R, C - P, D - S
4 A - R, B - Q, C - S, D - P
Explanation:
Quick lime is used for the manufacture of dyestuffs. Plaster of paris is used for setting of fractured bones. Slaked lime is used for the manufacture of bleaching powder. Limestone is a constituent of chewing gum. So, the option (2) is correct.
CHXI10:THE S-BLOCK ELEMENTS
316032
Magnalium is an alloy of aluminium and magnesium. What is the percentage of magnesium in this alloy?
1 5
2 95
3 60
4 40
Explanation:
Magnalium is \({\mathrm{95 \% \mathrm{Al}}}\) and \({\mathrm{5 \% \mathrm{Mg}}}\)
CHXI10:THE S-BLOCK ELEMENTS
316033
Which of the following is used as a scavenger in metallurgy?
316031
Match the column I with column II and choose correct option Column I Column II A Quick lime P Setting fractured agent B Plaster of Pairs Q A constituent of chewing gum C Slaked lime R Manufacture of bleaching powder D Limestone S Manufacture of dyestuffs
1 A - P, B - S, C - Q, D - R
2 A - S, B - P, C - R, D - Q
3 A - Q, B - R, C - P, D - S
4 A - R, B - Q, C - S, D - P
Explanation:
Quick lime is used for the manufacture of dyestuffs. Plaster of paris is used for setting of fractured bones. Slaked lime is used for the manufacture of bleaching powder. Limestone is a constituent of chewing gum. So, the option (2) is correct.
CHXI10:THE S-BLOCK ELEMENTS
316032
Magnalium is an alloy of aluminium and magnesium. What is the percentage of magnesium in this alloy?
1 5
2 95
3 60
4 40
Explanation:
Magnalium is \({\mathrm{95 \% \mathrm{Al}}}\) and \({\mathrm{5 \% \mathrm{Mg}}}\)
CHXI10:THE S-BLOCK ELEMENTS
316033
Which of the following is used as a scavenger in metallurgy?
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CHXI10:THE S-BLOCK ELEMENTS
316031
Match the column I with column II and choose correct option Column I Column II A Quick lime P Setting fractured agent B Plaster of Pairs Q A constituent of chewing gum C Slaked lime R Manufacture of bleaching powder D Limestone S Manufacture of dyestuffs
1 A - P, B - S, C - Q, D - R
2 A - S, B - P, C - R, D - Q
3 A - Q, B - R, C - P, D - S
4 A - R, B - Q, C - S, D - P
Explanation:
Quick lime is used for the manufacture of dyestuffs. Plaster of paris is used for setting of fractured bones. Slaked lime is used for the manufacture of bleaching powder. Limestone is a constituent of chewing gum. So, the option (2) is correct.
CHXI10:THE S-BLOCK ELEMENTS
316032
Magnalium is an alloy of aluminium and magnesium. What is the percentage of magnesium in this alloy?
1 5
2 95
3 60
4 40
Explanation:
Magnalium is \({\mathrm{95 \% \mathrm{Al}}}\) and \({\mathrm{5 \% \mathrm{Mg}}}\)
CHXI10:THE S-BLOCK ELEMENTS
316033
Which of the following is used as a scavenger in metallurgy?
316031
Match the column I with column II and choose correct option Column I Column II A Quick lime P Setting fractured agent B Plaster of Pairs Q A constituent of chewing gum C Slaked lime R Manufacture of bleaching powder D Limestone S Manufacture of dyestuffs
1 A - P, B - S, C - Q, D - R
2 A - S, B - P, C - R, D - Q
3 A - Q, B - R, C - P, D - S
4 A - R, B - Q, C - S, D - P
Explanation:
Quick lime is used for the manufacture of dyestuffs. Plaster of paris is used for setting of fractured bones. Slaked lime is used for the manufacture of bleaching powder. Limestone is a constituent of chewing gum. So, the option (2) is correct.
CHXI10:THE S-BLOCK ELEMENTS
316032
Magnalium is an alloy of aluminium and magnesium. What is the percentage of magnesium in this alloy?
1 5
2 95
3 60
4 40
Explanation:
Magnalium is \({\mathrm{95 \% \mathrm{Al}}}\) and \({\mathrm{5 \% \mathrm{Mg}}}\)
CHXI10:THE S-BLOCK ELEMENTS
316033
Which of the following is used as a scavenger in metallurgy?