One of the followings is not a basic consideration in planting operations
Planting space
Planting time
Planting depth
Planting weed
Correct answer is D
Basic consideration in planting operations are planting depth, planting time, planting space.
Which of the following acids would readily react with CaCO3 to liberate CO2?
CH3COOH
H2SO4
H2SO3
HNO3
Correct answer is B
H2SO4(aq)+CaCO3(aq)→CaSO4(aq)+CO2(g)+H2O(l)
The aqueous solution which has pH > 7 is
FeCI3(aq)
CuSO4(aq)
KNO3(aq)
Na2CO3(aq)
Correct answer is D
No explanation has been provided for this answer.
Density
Pressure
Temperature
Volume
Correct answer is C
No explanation has been provided for this answer.
SO 2 O2, NH3 H2
H2S,NH2,O2,SO2
72001934
NH3,NO2,N2,CO2
Correct answer is A
No explanation has been provided for this answer.