Q. While plotting decrease in mass against time, a flat curve shows

View solution

Q. Surface area is greater in

View solution

Q. Rate of reaction approx. doubles when temperature increases

View solution

Q. Factors affecting speed of chemical reactions does not include

View solution

Q. Adsorption refers to the

View solution

Q. In graph of decrease in mass against time, fastest reaction shows

View solution

Q. An average size cigarette burns in 10 seconds

View solution

Q. Many catalysts are

View solution

Q. Speed of a reaction can be measured through

View solution

Q. MSG (Monosodium glutamate) is added in food

View solution

Q. Hydrogenation of alkenes in margarine manufacturing requires catalyst of

View solution

Q. Flour mills and coal mines need to be well ventilated because

View solution

Q. Sugar cubes dissolve more slowly in hot drink than granulated sugar because

View solution

Q. According to collision theory, increase in temperature increases

View solution

Q. Nitric Acid (HNO₃) manufacturing requires catalyst of

View solution

Q. Uses of enzymes does not include

View solution

Q. Biological catalyst to convert Hydrogen Peroxide (H₂O₂) into water (H₂O) and oxygen (O₂) is

View solution

Q. Rate of decomposition of hydrogen peroxide can be expedited through

View solution

Q. Enzymes cannot

View solution

Q. In a certain volume, higher temperature

View solution