32.
sin 26°
+
sec64°
cosec 64°
cos 26°_ = a में 'a' का मान होगा
Answers
Answered by
1
Answer:
As the reaction proceeds, bubbles of H2 (g) and a white precipitate of Ca(OH)2are formed. The bubbles formed stick to the surface of calcium metal and make it lighter. Therefore, Calcium floats on water. ... Hence, hydrogen does not catch fire.As the reaction proceeds, bubbles of H2 (g) and a white precipitate of Ca(OH)2are formed. The bubbles formed stick to the surface of calcium metal and make it lighter. Therefore, Calcium floats on water. ... Hence, hydrogen does not catch fire.
Similar questions