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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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