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You Are On Question Answer Bank SET 2047
102351. The heaviest known halogen?
Answer: Astatine
102352. The element known as synthetic halogen?
Answer: Astatine
102353. Noble gases are also called as?
Answer: Inert gases
102354. Noble gases were discovered by?
Answer: William Ramsay
102355. Group 18 is also known as?
Answer: Zero group elements
102356. NOBLE GASES ARE:?
Answer: Helium (He); Neon (Ne); Argon (Ar); Krypton (Kr); Xenon (Xe); Radon (Rn)
102357. The largest gaseousatom?
Answer: Radon
102358. The heaviest gaseous atom?
Answer: Radon
102359. The only radio active gaseous element?
Answer: Radon
102360. The element extracted from radioactive disintegration of radium?
Answer: Radon
102361. Argon was discovered by?
Answer: Lord Rayleigh and William Ramsay
102362. Lord Rayleigh and William Ramsay got Nobel Prizefor the discovery of Argon in?
Answer: 1904
102363. കായംകുളം താപനിലയം സ്ഥിതിചെയ്യുന്ന ജില്ല ഏത് ? [Kaayamkulam thaapanilayam sthithicheyyunna jilla ethu ?]
Answer: ആലപ്പുഴ [Aalappuzha]
102364. The most abundant inert gaseouselement . present in the atmosphere?
Answer: Argon
102365. The gas filled in electric bulbs?
Answer: Argon
102366. The anomalous metal seen in liquid form" in room temperature?
Answer: Mercury
102367. The metal with lowest melting point (-39'C)?
Answer: Mercury
102368. Measuring quantity of mercury?
Answer: Flask
102369. The term amalgamis usedto represent an alloy which contains?
Answer: Mercury Eg: Dental filling
102370. The element having maximum number of isotopes?
Answer: Tin
102371. Latin name of Tin?
Answer: Stannum
102372. The main ore of Tin?
Answer: Cassiterite
102373. The ore of Tin known asTin stone?
Answer: Cassiterite
102374. The most stable substance in the nature?
Answer: Lead
102375. Element usedin storage '\.~) batteries ~?
Answer: Lead
102376. The element present as an anti-knocking agent in petrol?
Answer: Lead
102377. The element used in the smoke of the vehicles?
Answer: Lead
102378. The element having least conductivity?
Answer: Lead
102379. The element which is purified by melting?
Answer: Lead
102380. The part of the human body which is affected by lead?
Answer: Kidney
102381. The disease caused by the effect of the element lead?
Answer: Plumbism
102382. The red coloured pigment in 'sindur'?
Answer: Trilead Tetroxide
102383. Tin and Lead combination is used in?
Answer: safety fuse
102384. .Alloy of Tin and Lead are used to make?
Answer: safety wire
102385. Alloy of Tin and lead can be separated by?
Answer: melting
102386. Noble metals are?
Answer: Silver (Ag); Platinum (Pt) & Gold (Au)
102387. The elements exist in free state?
Answer: Noble Metals
102388. The processof producing noble metals is?
Answer: Cyanide Process
102389. Latin name of gold is?
Answer: Aurum
102390. The metal known as King of metals?
Answer: Gold
102391. The metal known as 'Hiranya'?
Answer: Gold
102392. The metal with high. malleability and ductility?
Answer: Gold
102393. The device used to measure the purity of Gold?
Answer: Carat Analyser
102394. Melting point of gold?
Answer: 10640C (19470F)
102395. The metal used with gold for making ornaments?
Answer: Copper
102396. The symbol of Bureauof Indian Standard given for the purity of gold?
Answer: Hallmark
102397. The compound of Gold and Silver is called?
Answer: Electrum
102398. The unit of gold -?
Answer: Carat
102399. Pure gold is ….carat?
Answer: 24 carat
102400. Which carat of gold is used to make ornaments?
Answer: 22 carat
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