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तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ६

What are the three main constituents of soap?

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प्रश्न

What are the three main constituents of soap?

एका वाक्यात उत्तर
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उत्तर

The three main constituents of soap are Lye (Sodium hydroxide), coconut oil, and water.

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पाठ 3: Chemistry in Everyday Life - Evaluation [पृष्ठ ४५]

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सामाचीर कलवी Science - Term 3 [English] Class 6 TN Board
पाठ 3 Chemistry in Everyday Life
Evaluation | Q VII. 1. | पृष्ठ ४५

संबंधित प्रश्‍न

Which of the following sets of materials can be used for conducting a saponification reaction for the preparation of soap?

(a) Ca(OH)2 and neem oil

(b) NaOH and neem oil

(c) NaOH and mineral oil

(d) Ca(OH)2 and mineral oil


A student takes four test tubes marked P, Q, R and S of 25 mL capacity and fills 10 mL of distilled water in each. He dissolves one spoon full of four different salts in each as − KCl in P, NaCl in Q, CaCl2 in R and MgCl2 in S. He then adds about 2 mL of a sample of soap solution to each of the above test tubes. On shaking the contents of each of the test tubes, he is likely to observe a good amount of lather (foam) in the test tubes marked

(a) P and Q

(b) R and S

(c) P, Q and R

(d) P, Q and S


Hard water is not available for an experiment. Some salts are given below :

(I) Sodium chloride

(II) Sodium sulphate

(III) Calcium chloride

(IV) Calcium sulphate

(V) Potassium chloride

(VI) Magnesium sulphate

Select from the following group of these salts, each member of which may be dissolved in water to make it hard.

(A) I, II, V

(B) I, III, V

(C) III, IV, VI

(D) II, IV, VI


Why does micelle formation take place when soap is added to water? Will a micelle be formed in other solvents such as ethanol also?


State one use of saponification process. 


A student requires hard water for an experiment in his laboratory which is not available in the neighbouring area. In the laboratory there are some salts, which when dissolved in distilled water can convert it into hard water. Select from the following groups of salts, a group, each salt of which when dissolved in distilled water will make it hard.
(A) Sodium chloride, Potassium chloride
(B) Sodium sulphate, Potassium sulphate
(C) Sodium sulphate, Calcium sulphate
(D) Calcium sulphate, Calcium chloride


What are the raw materials required for making soap in a laboratory (or at home)?


What are the differences between Soap and synthetic detergent?


The saponification of a fat or oil is done using _____ solution for hot process.


We are using ______ to remove strong stains on the clothes.


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