everyday science Mcqs
901. At what temperature does silver melt?
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A. 100 C

B. 327 C

C. 961.8 C

D. 275 C

902. Who invented the Hot Air Balloon?
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A. Montgolfier

B. Edison

C. Davy

D. Jarvik

903. Who invented the first battery?
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A. Alessandro volta

B. Georges Leclanche

C. Rob Stothard

D. Tim Berner

904. Earth rotates the sun in___________?
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A. Non of above

B. 24 hours

C. 23 hours 56 min 4 sec

D. 23 hours 57 min 9 sec

905. Nail polish remover contains___________?
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A. Acetone

B. Benzene

C. Petroleum ether

D. Acetic acid

907. Which gas is used in preparation of Soda water?
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A. Carbon Dioxide

B. Nitrogen

C. Hydrogen

D. Ammonia

908. Which type of motions are present in solid?
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A. vibrational

B. all of these

C. rotational

D. translational

910. Guava has the maximum amount of which Vitamin?
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A. vitamin B

B. vitamin D

C. vitamin C

D. vitamin K

912. Which is the heaviest metal?
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A. Osmium

B. Mercury

C. Iron

D. Nickel

913. Which Gas is included in Fry Chips Packets for safety?
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A. Hydrogen

B. Oxygen

C. Nitrogen gas

D. Carbon dioxide

916. Oil of vitriol is_________?
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A. Nitric acid

B. Hydrochloric acid

C. Sulfuric acid

D. Phosphoric acid

918. Cell or Tissue death within a living body is called as__________?
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A. Necrosis

B. Nephrosis

C. Neoplasia

D. Neutrophilia

919. The deficiency of vitamin E causes _______ ?
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A. Lack of appetite

B. Weak immune system

C. Weak bones

D. Sterility
921. Radon is___________?
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A. artificial fibre

B. radio active gas

C. germon radio

D. an explosive

922. Study of Soil is called__________?
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A. Demography

B. sociology

C. Pedology

D. Pedagogy

924. How many mm are there in 10 cm?
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A. 200mm

B. 100mm

C. 50mm

D. 10mm

925. Lunar eclipse occurs on__________?
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A. New Moon

B. Quarter Moon

C. Half Moon

D. Full Moon
930. Silver fish is the name of__________?
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A. Bird

B. Mammal

C. Insect

D. Fish

931. A man can survive without food for at least?
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A. Two month

B. Three month

C. One month

D. Four month

933. The disease Itai Itai is caused by____________?
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A. Carbon

B. Cadmium

C. None of these

D. Manganese

935. Who invented Aspirin in 1897?
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A. McLeod

B. Felix Hoffmann

C. Newton

D. Barnard

938. What Enrico Fermi invented?
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A. Cyclotron

B. D. Nuclear reactor</b>

C. X ray machine

D. Betatron

939. Granite is a____________?
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A. Metamorphic rock

B. None of these

C. Sedimentry rock

D. Igneous rock
941. Ruby is an oxide of__________?
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A. silver

B. aluminium oxide

C. gold

D. platinum

942. Age of the lion is determined through?
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A. Length of Nails

B. Nose Colour

C. Hair Colour

D. Length of the tail

943. Which statement about sound is true?
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A. Sound cant travel through water

B. Non of theses

C. Sound cant travel through glass

D. Sound cant travel through vacuum
946. Which is the hardest substance in the human body?
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A. Rib

B. Knee cap

C. Tooth enamel

D. Skull

947. How many times the sun is bigger than the size of the earth?
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A. 69 times

B. 99 times

C. 89 times

D. 109 times
949. Tooth decay is caused by?
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A. Salt

B. Sugar

C. Calcium

D. Formalin

950. As the temperature of ice rises, the ice melts and its density?
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A. Increases upto 10C

B. Increases

C. Remain constant

D. Decreases