Question

(a) गालक क्या होता है? गालक के दो प्रकारों के नाम बताइए
What is Flux? Name the two types of Flux.
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Answer 1

Explanation:

: The so called water soluble fluxes are divided into two categories, organic and inorganic based on composition. Organic fluxes are more active than RA rosin, and inorganic are the most active of all.