26. Which Indian company is the largest producer of soda ash?
a) Tata Chemicals
b) Gujarat Heavy Chemicals Limited (GHCL)
c) Nirma Limited
d) Aditya Birla Chemicals
Answer: a) Tata Chemicals
27. Which chemical is commonly used as a fire retardant in textiles and plastics?
a) Bromine
b) Chlorine
c) Fluorine
d) Iodine
Answer: a) Bromine
28. Which petrochemical is used in the production of polypropylene?
a) Ethylene
b) Propylene
c) Butadiene
d) Benzene
Answer: b) Propylene
29. Which chemical is commonly used as a thickening agent in food products?
a) Xanthan gum
b) Carrageenan
c) Guar gum
d) Pectin
Answer: c) Guar gum
30. Which Indian city is known for its chemical industry and petrochemical complexes?
a) Mumbai
b) Chennai
c) Vadodara
d) Kolkata
Answer: c) Vadodara
