Worksheetsquiz
Total questions: 20
Worksheet time: 7mins
Metals are ?
(a) shiny
(b) hard
(c) sonorous
(d) all of the above
Metalloids possess the properties of
(a) metals
(b) non-metals
(c) both metals and non-metals
(d) none of these
The most reactive metal is
(a) copper
(b) zinc
(c) potassium
(d) gold
Which of the following metal is stored in kerosene?
(a) Sodium
(b) Magnesium
(c) Phosphorus
(d) zinc
Metal oxides are
(a) neutral
(b) basic
(c) acidic
(d) all of these
The non-metal which is liquid at room temperature is
(a) bromine
(b) chlorine
(c) iodine
(d) carbon
Which metal is used in wrapping materials?
(a) Aluminium
(b) Zinc
(c) Copper
(d) none of these
Which is the hardest substance?
(a) Gold
(b) Diamond
(c) Aluminium
(d) none of these
Which of the following non-metals are used in fertilisers?
(a) Nitrogen
(b) Phosphorus
(c) Both (a) and (b)
(d) none of these
Metals react with acids to produce respective salts with evolution of
(a) hydrogen gas
(b) oxygen gas
(c) CO2 gas
(d) none of these
The voice box is also called as
(a) stomach
(b) heart
(c) larynx
(d) mouth
The sound in the audible range is called
(a) ultrasonic sound
(b) sonic sound
(c) subonic sound
(d) light sound
Loudness of sound is determined by
(a) pitch
(b) frequency
(c) amplitude
(d) time period
Sound cannot travel through
(a) vacuum
(b) air
(c) water
(d) solids
The number of oscillations per second is called
(a) Amplitude of oscillation
(b) Pitch of oscillation
(c) Frequency of oscillation
(d) None of above
The number of vibrations made by a vibrating body in one second is
(a) frequency
(b) noise
(c) loudness
(d) pitch
Cochlea is a part of
(a) hearing organ
(b) sound producing organ
(c) muscular organ
(d) air pollution
Pitch of sound is determined by its
(a) frequency
(b) speed
(c) amplitude
(d) loudness
Sound is a kind of
(a) work
(b) energy
(c) force
(d) pressure
Frequency is expressed in
(a) kilometer
(b) hertz
(c) gram
(d) degree centigrade
