CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

NaHCO3 can be used on its own to make cakes or bread. Baking powder is more commonly used, and contains NaHCO3, Ca(H2PO4)2 and starch. An improved combination baking powder contains about 40% starch, 30% NaHCO3 20% NaAl(SO4)2 and 10% Ca(H2PO4)2.
Answer the following questions based on above study.

Ca(H2PO4)2 in baking powder:

A
behaves as an acid in moist condition and decomposes NaHCO3 to give CO2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
behaves as a base in moist condition and gives H3PO4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
behaves as a binder
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
behaves as a filler
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A behaves as an acid in moist condition and decomposes NaHCO3 to give CO2
Reaction of process:
14NaHCO3+5Ca(H2PO4)2H2O14CO2+Ca5(PO4)3OH+7Na2HPO4+18H2O

So Ca(H2PO4)2 in baking powder behaves as an acid in moist condition and decomposes NaHCO3 to give CO2

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Salts
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon