1.Skill: Hypothesis formulation; design of apparatus or experiment
Soha was told that if she cooks dal (pulses) with salt, it takes longer to become fully soft.
The contents of which two containers must she cook in order to check whether the
statement is TRUE?
1.one teaspoon salt + 200g of pulses
2.one teaspoon salt + 400g of pulses
3.no salt + 100g of pulses
4.no salt + 200g of pulses

OPTIONS:-
(a) P and either R or S
(b) Q and either R or S
(c) P and S
(d) Q and R
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