Identification of the Acidic, Basic, Neutral Nature of Salt Solutions (Viva Voce) : Class 7 : Science : Amrita Online Lab

About
In the news
Workshops
Training
Registration
Contact us
Login

Languages

you are here->home->Science->Class 7->Identification of the Acidic, Basic, Neutral Nature of Salt Solutions

Identification of the Acidic, Basic, Neutral Nature of Salt Solutions

Theory

Theory
Procedure
Simulator
Viva Voce
Resources
Feedback

	1)	Choose the strong acid from the following options
		C₂H₅OH H₂SO₄ CH₃COOH H₂CO₃

	2)	Which one is correctly matched?
		Acids – pH range 8-9 Acids – pH range below 7 Acids – pH range 7(neutral) Acids – pH range above7

	3)	What is the formula for hydrated copper sulfate?
		CuSO₄.4H₂O CuSO₄.3H₂O CuSO₄.5H₂O CuSO₄.6H₂O

	4)	What is the chemical formula of potash alum?
		Al(SO₄)₃ NaAl(SO₄)₂ KAl(SO₄)₂ MgAl(SO₄)₂

	5)	Which acid is used in lead acid batteries?
		Lactic acid Sulphuric acid Nitric acid Hydrochloric acid

	6)	What is the way to determine if a solution is acidic ?
		Temperature pH Colour Litmus paper

	7)	Which of the following is an acidic salt ?
		NaHSO₃ K₂SO₄ Na₂SO₃ Na₂SO₄

	8)	When an acid reacts with a metal, which one of the following gas is usually liberated?
		Oxygen Ammonia gas Chlorine Hydrogen gas

	9)	Which of the following is neither an acid nor base?
		CH₃COOH KCl HCl CH₃OH

	10)	Which one will change from red litmus to blue?
		HCl NaCl LiOH KOH

Developed by Amrita Vishwa Vidyapeetham & CDAC Mumbai. Funded by MeitY (Ministry of Electronics & Information Technology)

English हिंदी മലയാളം मराठी