A. An alkali is an acid that dissolves in water
A.
B. Alkali is soapy to touch
B.
C. Both a and b
C.
D. None
D.
Correct Answer: B
সঠিক উত্তর: B
Explanation
ব্যাখ্যা
All bases do not dissolve in water. An alkali is a base that dissolves in water. They are soapy to touch, bitter and corrosive and may cause harm on touching.