Question
Easy
Following table depicts colour changes in acids and bases when various indicators are added : A, B, C, D respectively are :
1
reddish brown, green, colourless, orange
2
yellow, green, orange, colourless
3
reddish brown, pink, orange, colourless
4
yellow, orange, pink, colourless
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P2
Chapter: Acids, Bases, and Salts
Topic: Introduction
Correct Answer
Option A
Explanation
To justify why Option 1 is the correct answer, we need to understand the behavior of indicators in acids and bases. Indicators are substances that change color when added to acidic or basic solutions, allowing us to determine the pH of the solution. 1. Reddish Brown: This color change is typically associated with certain indicators in acidic conditions. For example, methyl orange turns reddish in acidic solutions. Therefore, the reddish…Read More
Similar Questions from REET Exam - Paper 1 - Year 2018
Question 1
Easy
Source :
Acids, Bases, and Salts
(A) Metal oxides are basic in nature. (B) Air expands on heating. (C) Lime water turns milky on passing carbondioxide. (D) Sodium hydroxide and hydrochloric…
Chapter :
Acids, Bases, and Salts
Topic :
Introduction
Question 2
Easy
Source :
Acids, Bases, and Salts
Read the statements given below and choose the correct option : Assertion (A): It is recommended that acid should be added to water for diluting…
Chapter :
Acids, Bases, and Salts
Topic :
Introduction
Question 3
Easy
Source :
Metals and Non-Metals
The non-metal used in the purple coloured solution applied on wounds as antiseptic is
Chapter :
Metals and Non-Metals
Topic :
Physical Properties
Question 4
Easy
Source :
Metals and Non-Metals
Which of the following statements is true ?
Chapter :
Metals and Non-Metals
Topic :
Physical Properties