science whizkid Quiz
Question Number 1
when a glass rod is rubbed with a silk cloth, it acquires positive charges because.........
A. it gains protons
B. it loses protons
C. it gains electrons
D. it loses electrons
Question Number 2
the image formed by a periscope is?
A. magnified
B. diminished
C. virtual
D. real
Question Number 3
sound travels faster in water than in air because...
A. water is denser than air
B. air is denser than water
C. water flows faster than air
D. air flows faster than water
E. none of these
F. A & C
Question Number 4
if you mix 100gm sugar with 100gm salt, what of these is formed ?
A. element
B. mixture
C. compound
D. molecule
Question Number 5
which of the following reactions will give rise to a gas burning with a pop sound?
A. nh3+h2o
B. mgso4+hcl
C. caco3+hcl
D. mg+hcl
E. none of these
F. C & B
Question Number 6
if we go on dividing a piece of silver,which of the following could still be called silver ?
A. proton
B. atom
C. neutron
D. electron
Question Number 7
toothpaste contains
A. strong acids
B. bases
C. acidic oxides
D. metals
Question Number 8
which of the following has the highest specific heat ?
A. water
B. petrol
C. kerosene
D. deisel
E. alcohol
Question Number 9
a patient advised to take aspirin and bed rest by doctor. the person is suffering from......
A. scurvy
B. beri beri
C. cholera
D. dyrrahoea
E. jaundice
F. influenza
Question Number 10
which of the following is paired incorrectly ?
A. alveloi-air sacs
B. spiracles-regulates entry of air
C. villi-fingerlike folds in the small intestine
D. haemoglobin-an oxygen producer