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Everyday Science Mcqs PMS Exam Preparation

Everyday Science Mcqs PMS Exam Preparation

Everyday Science Mcqs PMS Exam Preparation 

Brass gets discoloured in air because of the presence of which of the following gases in air?

A. Oxygen
B. Hydrogen sulphide
C. Carbon dioxide
D. Nitrogen

Which of the following is a non metal that remains liquid at room temperature?

A. Phosphorous
B. Bromine
C. Chlorine
D. Helium

Chlorophyll is a naturally occurring chelate compound in which central metal is

A. copper
B. magnesium
C. iron
D. calcium

Which of the following is used in pencils?

A. Graphite 
B. Silicon
C. Charcoal
D. Phosphorous

Which of the following metals forms an amalgam with other metals?

A. Tin
B. Mercury
C. Lead
D. Zinc

Chemical formula for water is

A. NaA1O2
B. H2O
C. Al2O3
D. CaSiO3

The gas usually filled in the electric bulb is

A. nitrogen
B. hydrogen
C. carbon dioxide
D. oxygen

Washing soda is the common name for

A. Sodium carbonate
B. Calcium bicarbonate
C. Sodium bicarbonate
D. Calcium carbonate

Quartz crystals normally used in quartz clocks etc. is chemically

A. silicon dioxide
B. germanium oxide
C. a mixture of germanium oxide and silicon dioxide
D. sodium silicate

Which of the gas is not known as green house gas?

A. Methane
B. Nitrous oxide
C. Carbon dioxide
D. Hydrogen

Everyday Science Mcqs PMS Exam Preparation

Updated: May 12, 2014 — 7:15 am

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