Malachite green is a direct dye for silk and wool. It is prepared by condensing
a. Benzaldehyde and dimethyl aniline
b. Carbonyl chloride and dimethyl aniline
c. Benzene diazonium chloride with dimethyl aniline
d. None of the above
Ans. d
(10)
-
May 27, 2025
“तत्त्वों के गुणधर्म उनके परमाणु क्रमांक के आवर्त फलन होते हैं।”(The properties of elements are a periodic function of their...
-
Feb 10, 2025
Click Here for Hindi medium NEET Course (252)
-
Feb 4, 2025
Best Career Counsellors in Chandigarh – Transform Your Future with Flame Institute In today’s competitive world, choosing the right career...
-
Sep 17, 2024
Best Chemistry Teacher in Chandigarh and mohali Flame Institute provides top-notch chemistry coaching with expert faculty, offering comprehensive guidance for...