The permanent hardness of water is due to presence ______...? Mcqs

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The permanent hardness of water is due to presence ______...?

(A) MgSO4
(B) Mg(HCO3)₂

(C) CA(HCO3)2
(D) All of these

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In which stage of mitosis where chromosomes reach towards their respective poles...?

(A) Metaphase
(B) Anaphase

(C) Telophase
(D) Prophase

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Speed of any object can be changed by...?

(A) Time
(B) Force

(C) Distance
(D) Mass

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What is the name of the Active asteroid discovered near Jupiter...?

(A) 2019 Jup1036
(B) 2019 JR10A

(C) 2019 LD2
(D) 2019 AA1

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Proton number is denoted by symbol __________ ...?

(A) M
(B) Z

(C) P
(D) A

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Sodium Carbonate is commonly called ________...?

(A) Plaster of Paris
(B) Washing Soda

(C) Common Salt
(D) None of these

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The taste of water is ______...?

(A) Sour
(B) Bitter

(C) Sweet
(D) Tasteless

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The evaporation of water from aerial parts of the plant especially through leaves is called...?

(A) Translocation
(B) Photosynthesis

(C) Respiration
(D) Transpiration

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Loss of electron and proton is called...?

(A) Oxidation reaction
(B) Reduction reaction

(C) Redox reaction
(D) All of these

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The biggest species of the cat family is___________...?

(A) Tiger
(B) Lion

(C) Leopard
(D) None

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