26.

The element common to all acids is
A. hydrogen B. carbon
C. sulphur D. oxygen
Answer and Explanation
Answer:A
Explanation: No answer description available for this question.
27.

Non stick cooking utensils are coated with
A. Teflon B. PVC
C. black paint D. polystyrene
Answer and Explanation
Answer:A
Explanation: No answer description available for this question.
28.

Monazite is an ore of
A. titanium B. zirconium
C. iron D. thorium
Answer and Explanation
Answer:D
Explanation: No answer description available for this question.
29.

Carbon, diamond and graphite are together called
A. allotropes B. isomers
C. isomorphs D. isotopes
Answer and Explanation
Answer:A
Explanation: No answer description available for this question.
30.

Potassium nitrate is used in
A. medicine B. fertiliser
C. salt D. glass
Answer and Explanation
Answer:B
Explanation: No answer description available for this question.