Chemistry-Objective Related Question Answers
551. The device used to measure the purity of Gold?
Carat Analyser
552. Melting point of gold?
10640C (19470F)
553. The metal used with gold for making ornaments?
Copper
554. The symbol of Bureauof Indian Standard given for the purity of gold?
Hallmark
555. The compound of Gold and Silver is called?
Electrum
556. The unit of gold -?
Carat
557. Pure gold is ….carat?
24 carat
558. Which carat of gold is used to make ornaments?
22 carat
559. 916 gold is…..carat?
22 carat
560. One pavan =…..gram?
8 gram
561. 1kg = …..pavan?
125 pavan
562. The liquid known as Royal Water?
Aquaregia
563. Gold; Silver and Platinum are soluble in?
Aquaregia
564. The ratio of Hydrochloric acid and Nitric acid in Aquaregia?
3:1
565. The liquid used in the Wohlwill process for extracting pure gold?
Aquaregia
566. Most abundant compound present in 'I" animals and human body?
Water
567. The scientist who found that water is a compound of hydrogen and oxygen?
Henry Cavendish
568. The only matter which exists in three forms (Solid; liquid; gas)?
Water
569. Chemical name of water?
Di-hydrogen Oxide
570. The compound known as heavy water?
Deuterium Oxide
571. Scientist who made artificial water?
Joseph Priestly
572. Water has high boiling point due to the presence of?
Hydrogen bonding
573. Body mass contain…..% of water?
70% of water
574. The liquid known as universal solvent?
Water
575. The matter having highest specific heat . capacity?
Water
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