Which rows identify two aqueous salts which react together to produce a precipitate?
A.
1 and 4
B.
1 and 3
C.
2 and 3
D.
2 and 4
Exam No：0620_s24_qp_13 Year：2024 Question No：22
Answer:
B
Knowledge points:
8.3.1.1. increasing density
8.3.1.2. decreasing reactivity
8.3.2.1. chlorine, a pale yellow-green gas
8.3.2.2. bromine, a red-brown liquid
8.3.2.3. iodine, a grey-black solid
8.3.3. Describe and explain the displacement reactions of halogens with other halide ions
8.3.4. Predict the properties of other elements in Group VII, given information about the elements
Solution:
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