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

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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 of the following is a component of soap...?

(A) Sodium sulphate
(B) Sodium stearate

(C) Sodium chloride
(D) Sodium nitrate

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Dermatophagia is a ____ condition....?

(A) Physiological
(B) Psychological

(C) Dermatological
(D) Genital

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The lifespan of White Blood Cells is __________ day(s)...?

(A) 1 – 5 days
(B) 3 – 7 days

(C) 4 – 8 days
(D) 5 – 21 days

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What is the chemical formula for Sulfuric acid...?

(A) C2H6O
(B) CaSO4

(C) C2H4O2
(D) H2SO4

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NASA’s ________ program aims to land humans on the moon again in 2024....?

(A) Artemis
(B) Arshamedis

(C) Arsenimdo
(D) Bertonies

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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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The α-radiation is _______...?

(A) A stream of fast-moving electrons
(B) A form of electromagnetic radiation

(C) Highly ionizing than γ-radiation
(D) More penetrating than β-radiation

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What occurs when light bounces off a shiny surface...?

(A) Refraction
(B) Diffraction

(C) Reflection
(D) Absorption

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What melted rock eventually becomes lava...?

(A) Iron
(B) Metals

(C) Magma
(D) Coal

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