Question

Objective Questions
Choose the correct option.
0
1. Which of the following is a homogeneous mixture?
(a) An oil-water mixture
(b) A sand-water mixture
(c) Mist
(d) A nitrogen-oxygen mixture
2. Which of the following is a heterogeneous mixture?
(a) A salt-pepper mixture
(b) A fizzy drink
(c) A salt solution
(d) Air
3. Which of the following is an alloy?
(a) Iron
(b) Gold
(c) Stainless steel
(d) Copper
4. Which of the following methods would you use for separating the pigments of an ink?
(a) Filtration
(b) Sublimation
(c) Distillation
(d) Paper chromatography
5. Which of the following methods would you use for separating iron from sulphur particles?
(a) Magnetic separation
(b) Filtration
(c) Sublimation
(d) Distillation
6. Which of the following methods can be used to separate mustard oil and water from a mixture of
the two?
(a) Magnetic separation
(b) Decantation
(c) Sublimation
(d) Crystallisation​

Answer 1

Answer:

1.d

2.a

3.c

4.d

it may help you

Answer 2

Explanation:

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