Barium sulphate 4BaSO dispersed in water used in diagnostic X-rays is a -(A) Aerosol (B) Solution(C) Suspension (D) Foam
Question
Barium sulphate 4BaSO dispersed in water used in diagnostic X-rays is a -(A) Aerosol (B) Solution(C) Suspension (D) Foam
Solution
The substance described, barium sulphate (BaSO4), is dispersed in water for use in diagnostic X-rays. To determine the correct answer choice, let's consider the properties of the dispersion.
(A) Aerosol: An aerosol is a suspension of solid or liquid particles in a gas. However, in this case, the barium sulphate is dispersed in water, not a gas. Therefore, option (A) is not the correct answer.
(B) Solution: A solution is a homogeneous mixture of two or more substances, where the solute particles are evenly distributed throughout the solvent. In this case, barium sulphate is not completely dissolved in water, but rather dispersed as solid particles. Therefore, option (B) is not the correct answer.
(C) Suspension: A suspension is a heterogeneous mixture in which solid particles are dispersed in a liquid or gas medium. In this case, barium sulphate is dispersed as solid particles in water. This matches the description given, so option (C) is the correct answer.
(D) Foam: A foam is a dispersion of gas bubbles in a liquid or solid medium. Since barium sulphate is not dispersed as gas bubbles in water, option (D) is not the correct answer.
Therefore, the correct answer is (C) Suspension.
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