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- 1. Multiple Choice
NIMBU PAANI/LEMONADE IS A MIXTURE OF
LEMON JUICE AND WATER
LEMON JUICE AND SUGAR
LEMON JUICE, SUGAR AND WATER
- 2. Multiple Choice
TAP WATER IS A MIXTURE OF
WATER AND MANY DISSOLVED SALTS
SUGAR AND WATER
RAIN WATER AND CREAM
- 3. Multiple Choice
SEA WATER IS A MIXTURE OF
WATER AND COMMON SALT
WATER AND SEVERAL SALTS
WATER AND OXYGEN
- 4. Multiple Choice
WOOD IS A MIXTURE OF
WATER AND CREAM
WATER AND CELLULOSE
WATER AND SUGAR
- 5. Multiple Choice
MIXTURES ARE MADE UP OF
TWO OR MORE ELEMENTS
TWO OR MORE ELEMENTS AND COMPOUNDS
TWO OR MORE COMPOUNDS
ANY OF THE ABOVE
- 6. Multiple Choice
AIR IS A MIXTURE OF
SEVERAL GASES
WATER VAPOURS AND SMOKE PARTICLES
DUST
ALL OF THE ABOVE
- 7. Multiple Choice
CONSTITUENTS OF MIXTURE ARE EVENLY SPREAD IN
HOMOGENOUS MIXTURE
HETEROGENOUS MIXTURE
- 8. Multiple Choice
CONTITUENTS OF A MIXTURE CAN BE IN ANY RATIO: T/F
TRUE
FALSE
- 9. Multiple Choice
PURE WATER BOILS AT
89 DEG F
100 DEG F
100 DEG C
150 DEG C
- 10. Multiple Choice
SEPARATION OF MIXTURES INTO THEIR CONSTITUENTS IS OFTEN NECESSARY TO..
TO REMOVE UNDESIRABLE CONSTIUENTS
TO OBTAIN USEFUL CONSTITUENTS
TO OBTAIN PURE SUBSTANCES
ALL OF THE ABOVE
- 11. Multiple Choice
PROPERTIES COMMONLY USED TO SEPARATE SOLIDS FROM A MIXTURE OF SOLIDS ARE
COLOUR, SHAPE AND WEIGHT
MAGNETIC PROPERTY
SIZE AND SOLUBILITY IN WATER
ALL OF THE ABOVE
- 12. Multiple Choice
IF A SUBSTANCE CONTAIN TWO OR MORE KINDS OF MOLECULES, IT IS CALLED
ELEMENT
COMPOUND
MIXTURE
NONE OF THE ABOVE
- 13. Multiple Choice
IF THE SUBSTANCE HAS FIXED MELTING AND BOILING POINTS, WE CAN SAY
THE SUBSTANCE IS HETEROGENOUS MIXURE
THE SUBSTANCE IS HOMOGENOUS MIXTURE
THE SUBSTANCE IS PURE ELEMENT OR COMPOUND
ALL OF THE ABOVE
- 14. Multiple Choice
THE PARTICLES THAT SETTLE DOWN IN SEDIMENTATION ARE CALLED
FILTRATE
SEDIMENT
SOLUTE
ALL OF THE ABOVE
- 15. Multiple Choice
GERMS IN WATER ARE KILLED BY ADDING
OXYGEN
HYDROGEN
CHLORINE
MAGNESIUM
- 16. Multiple Choice
PROCESS OF CONVERSION OF WATER VAPOUR INTO LIQUID IS CALLED
EVAPORATION
DISTILLATION
CONDENSATION
ALL OF THE ABOVE
- 17. Multiple Choice
CHOOSE THE FALSE STATEMENT
WATER IS CALLED UNIVERSAL SOLVENT
SATURATED SOLUTION CAN BE COOLED TO ADD MORE SOLUTE
SOLUBILITY OF GASES IN WATER INCREASES WITH TEMPERATURE
SUBSTANCES SUCH AS WOODTHAT DO NOT DISSOLVE IN WATER ARE CALLED INSOLUBLE IN WATER
- 18. Multiple Choice
PROPERTY USED IN SEPARATING A MIXTURE OF TWO SOLIDS BY WINNOWING IS
DIFFERENCE IN COLOR
DIFFERENCE IN WEIGHT
ONE IS MAGNETIC
ALL OF THE ABOVE
- 19. Multiple Choice
WHICH OF THE FOLLOWING CAN DISSOLVE IN WATER
ONLY SOLIDS
ONLY LIQUIDS
ONLY SOLIDS AND LIQUIDS
SOLIDS, LIQUIDS AND GASES
- 20. Multiple Choice
SEDIMENTATION AND DECANTATION ARE USEFUL TO SEPARATE
IMMISCIBLE LIQUIDS
SOLUBLE SOLID FROM LIQUID
INSOLUBLE SOLID FROM LIQUID
INSOLUBLE SOLID FROM LIQUID WHERE THE SOLID IS HEAVIER THAN THE LIQUID
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