Chemistry-Objective Related Question Answers
526. Measuring quantity of mercury?
Flask
527. The term amalgamis usedto represent an alloy which contains?
Mercury Eg: Dental filling
528. The element having maximum number of isotopes?
Tin
529. Latin name of Tin?
Stannum
530. The main ore of Tin?
Cassiterite
531. The ore of Tin known asTin stone?
Cassiterite
532. The most stable substance in the nature?
Lead
533. Element usedin storage '\.~) batteries ~?
Lead
534. The element present as an anti-knocking agent in petrol?
Lead
535. The element used in the smoke of the vehicles?
Lead
536. The element having least conductivity?
Lead
537. The element which is purified by melting?
Lead
538. The part of the human body which is affected by lead?
Kidney
539. The disease caused by the effect of the element lead?
Plumbism
540. The red coloured pigment in 'sindur'?
Trilead Tetroxide
541. Tin and Lead combination is used in?
safety fuse
542. .Alloy of Tin and Lead are used to make?
safety wire
543. Alloy of Tin and lead can be separated by?
melting
544. Noble metals are?
Silver (Ag); Platinum (Pt) & Gold (Au)
545. The elements exist in free state?
Noble Metals
546. The processof producing noble metals is?
Cyanide Process
547. Latin name of gold is?
Aurum
548. The metal known as King of metals?
Gold
549. The metal known as 'Hiranya'?
Gold
550. The metal with high. malleability and ductility?
Gold
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