Covalent network crystals have_____________...? Mcqs

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Covalent network crystals have_____________...?

(A) higher melting point then molecular crystals
(B) lower melting point then molecular crystals

(C) discrete molecules linked by Van der waals forces
(D) hydrogen bonding

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Sound travels in the form of waves called...?

(A) Longitudinal Waves
(B) Transverse waves

(C) Electromagnetic waves
(D) Radio waves

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Tuberculosis is a _________ infection...?

(A) Viral
(B) Bacterial

(C) Fungal
(D) Parasitic

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Which mineral is the present in meat, onion, eggs, iodized salt and seafood...?

(A) Calcium
(B) Iodine

(C) Magnesium
(D) Copper

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What is the name of newsly discovered galaxy which may be the earliest and most distant galaxy ever discovered in April 2022...?

(A) HD1
(B) GN-z11

(C) Milky way
(D) None of these

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The most brightest planet amongst the eight planets...?

(A) Mercury
(B) Jupiter

(C) Venus
(D) Neptune

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Moon light reaches to earth in___________seconds...?

(A) 0.3 seconds
(B) 1.3 seconds

(C) 2.3 seconds
(D) 3.3 seconds

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Weather and climate are driven by what source(s) of energy ...?

(A) Earth’s internal heat
(B) Solar radiation

(C) Gravity
(D) Both (a) and (c)

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Vertebrates are divided into how many main groups based on temperature regulation...?

(A) 2
(B) 3

(C) 4
(D) 5

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Which of the following is a force...?

(A) Heat
(B) Light

(C) Magnetism
(D) Kinetic

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