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Ridhima mixes 2 gm of sugar in 50 cm³ of water. What will be the final volume of the solution so formed?

AIt will be approximately 50 cm³.
BIt will be 70 cm³.
CIt will be slightly less than 50 cm³.
DCannot be predicted

Lime water turns milky when carbon dioxide is passed through it. Which of the following gases will turn lime water milky?
(i) Gas collected from a burning candle
(ii) Gas collected when a boy is breathing out
(iii) Major gas released from a plant in a greenhouse at night
(iv) Major gas released by a plant preparing its food on a hot afternoon

A(i) and (ii) only
B(i), (ii) and (iii) only
C(ii) and (iv) only
D(i), (iii) and (iv) only

Which of the following statements are true?
(i) 10 g of gold has more mass than 5 g of cotton wool.
(ii) 5 g of gold has the same mass as 5 g of cotton wool.
(iii) 10 g of gold has more mass than 10 g of cotton wool.
(iv) 10 g of gold occupies the same amount of space as 10 g of cotton wool.

A(i) and (ii) only
B(ii) and (iv) only
C(iii) and (iv) only
D(i), (ii) and (iv) only

Match column I with column II and select the correct option from the given codes.

	Column I		Column II
(a)		(i)	10 SI units
(b)		(ii)	2 SI units
(c)		(iii)	–20 SI units
(d)		(iv)	22 SI units
	Value of velocity of block Y	(v)	30 SI units

Which of the following can be found in the given word grid?


AName of the state where suria-seleng is worn traditionally.
BMethod of making clothes using a single strand of thread.
CA tool used by potter to bake the pots.
DA type of house used by nomads.

The devices shown in the given pictures can be used for


AMaking international calls
BShooting videos
CWatching movies
DAll of these.

What can you infer from the given setup?


ASoil contains humus.
BSoil contains water.
CSoil contains air.
DAll of these

Study the given Venn diagram.

Which of the following does not represent point P?

ABurning of a kerosene wick stove
BBurning of LPG in kitchen
CBurning of biogas
DBurning of a candle

Refer to the given figure and select the incorrect statement regarding P, Q and R.


AP could be an agranular membrane bound structure which is rich in DNA and proteins.
BQ could occur in dividing nucleus and is made up of RNA and proteins.
CR could be a clear fluid material that stains mainly with basic dyes.
DAll of these

__(i)__ is used in making baking powder and __(ii)__ is used as a food preservative. Identify (i) and (ii).