The elements of VIIA group are known as ______...? Mcqs

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The elements of VIIA group are known as ______...?

(A) Lanthanides
(B) Actinides

(C) Halogens
(D) Nobel Gases

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What is not a cause of air pollution...?

(A) Burning of fuel
(B) Burning of solid waste

(C) Coal
(D) Water from domestic use

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What melted rock eventually becomes lava...?

(A) Iron
(B) Metals

(C) Magma
(D) Coal

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What do you understand by disease “Insomnia”...?

(A) Color blindness
(B) Depression

(C) Hypertension
(D) Inability to sleep

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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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NASA’s _________ is currently studying the sun up close....?

(A) Darker Solar Probe
(B) Walker Solar Probe

(C) Parker Solar Probe
(D) Falkner Solar Probe

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At what angle above the horizon must the sun be to create a rainbow...?

(A) 90 degrees
(B) 60 degrees

(C) 40 degrees
(D) 65 degrees

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Most seeds germinate between the temperature...?

(A) 10°C to 15°C
(B) 16°C to 24°C

(C) 25°C to 30°C
(D) 31°C to 35°C

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Which of the following is the flightless bird...?

(A) Pavo cristatus
(B) kakapo

(C) Passer
(D) None of these

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One Torr is equivalent to how many mm of Mercury...?

(A) 1 mm
(B) 10 mm

(C) 100 mm
(D) 0.1 mm

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