Science-Matter and Materials

✘ ✘ ✘ ✔

Salt from water can be removed using this method. ✘ This method is used to separate soluble substances from a liquid. ✘ Stones from sand can be separated using this method. ✘ It first requires sedimentation. ✔

✘ ✘ ✘ ✔

A ✘ B ✘ C ✘ D ✔

A ✘ B ✘ C ✘ D ✔

A metal key can be placed at box H. ✘ A glass plate can be placed at box I. ✘ A floor tile can be placed at box J. ✘ A coin can be placed at box K. ✔

✘ ✘ ✘ ✔

Wood ✘ Metal ✘ Plastic ✘ Glass ✔

X Rubber ball
Y Ketchup
Z Water vapour ✘ X Water vapour
Y Rubber ball
Z Ketchup ✘ X Water vapour
Y Ketchup
Z Rubber ball ✘ X Ketchup
Y Water vapour
Z Rubber ball ✔

1 L milk carton < 40 mL sunscreen tube < 10 mL test-tube < 60 mL coke bottle ✘ 10 mL test tube < 60 mL coke bottle < 40 mL sunscreen tube < 1 L milk carton ✘ 10 mL test tube < 40 mL sunscreen tube < 60 mL coke bottle < 1 L milk carton ✘ 60 mL coke bottle < 40 mL sunscreen tube < 10 mL test tube < 1 L milk carton ✔