Chemistry-Objective Related Question Answers
626. The planet having the clouds of Sulphuric acid?
Venus
627. The catalyst used for the production of Sulphuric acid?
Vanadium Pentoxide
628. The acids produced from plants?
Organic Acid
629. The taste of acids is?
Sour
630. Acid turns blue litmus paper to?
Red
631. The gas produced when acids are active on metals?
Hydrogen
632. The gas produced when acids are active with Carbonates?
Carbon dioxide
633. Earliest known acid is?
Acetic acid (Ethenoic acid)
634. Other name of formic acid?
Methenoic acid
635. Which is used for the purification of gold?
Nitric acid (Spirit of Nitre)
636. The chemical process for producing nitric acid?
Ostwald process
637. The acid known as aquafortis?
Nitric Acid
638. The acid used as oxidizer in rocket propellants?
Nitric Acid
639. Oxides and hydroxides of metals are known as?
Bases
640. Bases turns red litmus paper into?
Blue
641. The colour of phenolphthalein in base?
Pink
642. The colour of phenolphthalein in acid?
No colour
643. The activity of acid and base is known as?
Neutralization
644. Which acid is used in Soap manufacturing?
Sodium hydroxide
645. Which acid is used in Bleaching powder manufacturing?
Calcium hydroxide
646. Which acid is used as antacid?
Magnesium hydroxide
647. Which acid is used to remove stains from clothes?
Ammonium hydroxide
648. Ionic compounds containing cations (+ve ion) and anions (-ve ion) are?
Salt
649. The process of mixing up of salt and water resulting to form an acidic or alkaline solution known as?
Hydrolysis
650. Property of salt to absorb atmospheric salt?
Hygroscopic
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