Conditions of CA Storage for peaches are: *
CO2 = 4%, O2= 3%
CO2 = 3%, O2= 5%
CO2 = 5%, O2= 0%
CO2 = 1%, O2= 3%
Answers
Explanation:
TEST
SCIENCE
1. Out of the following, the only incorrect statement is:
A. in a colloidal system, the dispersion medium is always in the liquid state.
B. no residue is left on the filter paper when a colloidal solution is filtrated off
C. in a colloidal system dispersion medium is a gas.
D. the colloidal system is a heterogeneous mixture.
[1]
a) (b) and (d) b) (a), (b) and (c)
c) All of these d) (a) and (b)
2. Which of the following statements are incorrect
a. The properties of a compound are different from its constituents elements
b. A mixture is homogenous but a compound is heterogeneous
c. Formation of a compound is a chemical change
d. Formation of a mixture is a chemical change
[1]
a) Milk in water b) Common salt in water
c) Egg albumin in water d) Sugar in water
3. Which will not give a stable solution even when stirred for sometimes? [1]
a) (a), (b) and (c) are correct b) (b) and (c) are correct
c) All of these d) (a) and (b) are correct
4. What happens on adding dilute HCl to a mixture of iron filling and sulphur powder?
a. H2S is formed.
b. A colourless and odourless gas is formed.
c. A greenish solution appears.
d. FeS is formed.
TEST
SCIENCE
1. Out of the following, the only incorrect statement is:
A. in a colloidal system, the dispersion medium is always in the liquid state.
B. no residue is left on the filter paper when a colloidal solution is filtrated off
C. in a colloidal system dispersion medium is a gas.
D. the colloidal system is a heterogeneous mixture.
[1]
a) (b) and (d) b) (a), (b) and (c)
c) All of these d) (a) and (b)
2. Which of the following statements are incorrect
a. The properties of a compound are different from its constituents elements
b. A mixture is homogenous but a compound is heterogeneous
c. Formation of a compound is a chemical change
d. Formation of a mixture is a chemical change
[1]
a) Milk in water b) Common salt in water
c) Egg albumin in water d) Sugar in water
3. Which will not give a stable solution even when stirred for sometimes? [1]
a) (a), (b) and (c) are correct b) (b) and (c) are correct
c) All of these d) (a) and (b) are correct
4. What happens on adding dilute HCl to a mixture of iron filling and sulphur powder?
a. H2S is formed.
b. A colourless and odourless gas is formed.
c. A greenish solution appears.
d. FeS is formed.