Which one of the following forms weak electrolyte solution with water...? Mcqs

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Which one of the following forms weak electrolyte solution with water...?

(A) CH₃COOH
(B) H₂SO₄

(C) NaCl
(D) None of these

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A saturated solution of KCl on heating becomes _______...?

(A) Unsaturated
(B) Supersaturated

(C) Diluted
(D) All of these

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Which one of the following is not a sign of chemical change...?

(A) No change in composition
(B) A release of gas

(C) Change in colour, temperature, smell
(D) Production of a new material

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Which one of the following is oxidizing agent...?

(A) Al
(B) H2S

(C) Cl2
(D) NaH

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Nearest star to sun is: __________...?

(A) Proxima Centurai
(B) Alpha Scorpii

(C) Beta Orionis
(D) Vega

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Sericulture is the study of which discipline ...?

(A) silk production
(B) milk Production

(C) honey production
(D) forest timber production

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In an MRI machine, which one of the following is used...?

(A) Sound wave
(B) ‘X’-ray

(C) Ultra-sound wave
(D) Magnetic wave

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Which of the following is an example of a chemical reaction...?

(A) Water freezing into ice
(B) Sand settling to the bottom of a pool

(C) Leaves changing colors in the fall
(D) A rock rolling down a hill

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Which of the following is the lightest substance...?

(A) Uranium
(B) Hydrogen

(C) Oxygen
(D) Nitrogen

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When Pluto was cast out from the list of Planets...?

(A) September 24, 2006
(B) April 28, 2004

(C) January 26, 2006
(D) August 24, 2006

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