Question

11. Which of the following is not an example of matter?
A. Pen
B. Book
C. Electricity
D. Football
12. You are provided with a mixture of sand, salt water and oil. Which of the
following steps correctly describe the separation of the components from mixture?
A. Dissolution, sedimentation, decantation, use of separating funnel
B. Handpicking,sieving,sublimation, magnetic separation
C. Evaporation , crystallization, loading, centrifugation
D. Magnetic separation, threshing winnowing, filtration
13. Pick one material from the following which is completely soluble in water.
A. Chalk powder
B. Tea leaves
C. Saw dust
D. Glucose​

Answer 1

Answer:

$11.option \: b \: book$

$12.option \: a \: Dissolution, sedimentation, decantation, use of separating funnel$

$13. \: option \: d \: Glucose$

Explanation:

$hope \: it \: helped \: you \: friend$