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तांबे, पीतल या कांसे के बर्तन बनाने वाला और बेचने वाला, बर्तन बेचने वाला- कसेरा. बढ़ई - लकड़ी का काम करने वाले लोग कमेरा - छोटे-मोटे काम करने वाला व्यक्ति; कर्मकार; मज़दूर
Which of the following fatty acids does NOT form soap?
Soap is prepared by boiling caustic soda with -
Litmus paper, used to test pH levels, is derived from which organism?
Which metal is known as the most ductile?
Which element commonly found in water is linked to cancer risks?
The substance that is added to make natural rubber strong and more bouncy is-
Protons were discovered by
The fuel that is used in modern submarines is -
What happens when camphor is heated?
Sodium Chloride is an example of