The ozone molecule contains which type of bonding__________...? Mcqs

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The ozone molecule contains which type of bonding__________...?

(A) Dative bond
(B) Covalent bond

(C) Both A and B
(D) Ionic Bond

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Which of the following ocean is the least polluted ocean of the world...?

(A) Arctic Ocean
(B) Indian Ocean

(C) South Pacific
(D) None of the above

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Which mineral is involved in formation of a hormone that is required to produce energy...?

(A) Copper
(B) Magnesium

(C) Calcium
(D) Iodine

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Opening and closing of stomata is also regulated by ___...?

(A) Epidermal cells
(B) Guard cells

(C) Root hair cells
(D) Mesophyll cells

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What will be the result if you put yeast in dough...?

(A) The dough will become sour
(B) The dough will become harder

(C) The dough will become smaller
(D) The carbon dioxide will be released

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In group electron affinity values decreases from top to bottom because ______...?

(A) Atomic size normal
(B) Atomic size increases

(C) Atomic size decreases
(D) Atomic size same

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Vernal equinox of northern hemisphere in March marks season of __________ ...?

(A) Spring
(B) Summer

(C) Winter
(D) Autumn

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Second ionization energy:...?

(A) is always less than first ionization energy
(B) is always greater than first ionization energy

(C) is equal to the first ionization energy
(D) may be greater or less than the first ionization energy depending on the nature of the element

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De Broglie extend the wave particle duality to electron in ______...?

(A) 1920
(B) 1922

(C) 1923
(D) 1925

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Which of the following equations represents a addition reaction...?

(A) AB → A+B
(B) A → AB

(C) A+B → AB
(D) AB → A+C

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