Multiple Choice
Ordinary glass is a mixture of
A) sodium silicate, Calcium silicate
B) sodium silicate, Calcium silicate and Silica
C) sodium silicate and Silica
D) none of the above
Correct Answer:

Verified
Correct Answer:
Verified
Q3: A metal, which melts on the palm<br>A)potassium<br>B)sodium<br>C)gallium<br>D)zinc
Q4: Which of the following alloys contains Tin?<br>A)brass<br>B)solder<br>C)duralumin<br>D)steel
Q5: Metallurgy is the process of<br>A)extracting metals from
Q6: Steel is preferred over iron in construction
Q7: Which of the following is used for
Q9: A thick paste of cement, sand and
Q10: The most abundant metal on the earth
Q11: The tip of the lead pencil is
Q12: The main constituents of cement are:<br>A)calcium oxide,
Q13: A lustrous non-metal is<br>A)diamond<br>B)iodine<br>C)sulphur<br>D)phosphorus