Question
Easy

Which of the following statements are true ? (A) Crystallisation is a chemical change. (B) Photosynthesis is a chemical change. (C) Ripening of fruit is a physical change. (D) Formation of curd from milk is a chemical change.

1
(C) and (D)
2
(A) and (B)
3
(B) and (D)
4
(B) and (C)
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P2
Chapter: Chemical Reactions & Equations
Topic: Chemical Reactions
Correct Answer
Option C
Explanation

Option 3, which includes statements (B) and (D), is the correct answer. Let's explore why these statements are true and why the other options are incorrect. 1. Explanation for Option 3: - (B) Photosynthesis is a chemical change. Photosynthesis is a process by which green plants, algae, and some bacteria convert light energy, usually from the sun, into chemical energy stored in glucose. This process involves the transformation of carbonтАжRead More

Similar Questions from REET Exam - Paper 1 - Year 2018
Question 1
Easy

Source :

Chemical Reactions & Equations
Which of the following statements is NOT correct?
Chapter :
Chemical Reactions & Equations
Topic :
Chemical Reactions
Question 2
Easy

Source :

Chemical Reactions & Equations
Which of the following sets comprises chemical changes ?
Chapter :
Chemical Reactions & Equations
Topic :
Chemical Reactions
Question 3
Easy

Source :

Acids, Bases, and Salts
Magnesium hydroxide [Mg(OH)$_2$] is used as-
Chapter :
Acids, Bases, and Salts
Topic :
Introduction
Question 4
Easy

Source :

Acids, Bases, and Salts
X' is a chemical present in our stomach and is necessary for digestion of food. When 'X' is secreted in excess, it causes health problemsтАж
Chapter :
Acids, Bases, and Salts
Topic :
Introduction