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Q. How to draw

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Ques 7. A rectangular tank measuring 50 cm by 54 cm by 40 cm is 35 filled with water. 21.6 l of the water is removed. What is the volume of water left in the tank? Give your answer in litres.

Asked by Lannan in Chemistry

Solve this:

13. The table below shows some of the properties of three substances. Using the information given, describe step by step the method you would use to obtain pure samples of each of the substances from a mixture of the three solids. 
 
compounds action of heat solubility in water
sodium chloride no effect soluble
ammonium chloride sublime soluble
silver nitrate no effect insoluble

Asked by Lannan in Chemistry

Qc,d n e:

(c) should water enter the condenser from A or from B ? Give a reason.
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(d) What would be you observe in the thermometer reading when the first fraction begins to distil over ?​
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(c) Which compound will distill first ? Give a reason. 
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Asked by Stacey in Biology

Please help me thanks!

Asked by Ndhxh in Science

Animals Maize left (g) Meat left (g)
A 100 0
B 80 50
C 100 50
D 0 100

Which animal in John's investigation is likely to be an omnivore?

(1) A only
(2) B only
(3) B and C only
(4) A and D only

Asked by Lannan in Chemistry

Describe three difference in properties between magnesium and oxygen.

Asked by Lannan in Chemistry

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Asked by Ananda in Math

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(2) Mr Wong cuts a coil of wire into two pieces in the ratio 5:1. The length of the coil of wire is 180 cm. How long is the shorter piece of wire ?
 

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Mr Wong cuts a coil of wire into two pieces in the ratio 5:1. The length of the coil of wire is 180 cm. How long is the shorter piece of wire?

Asked by Stacey in Math

Please help me
Ex 6.3
Q. 2 e) t+5t=32

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Please help me
Q. 9-43x=-7

Asked by Stacey in Math

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Q. 9-43x=-7

Asked by Stacey in Math

Please help me, I can't figure out how to solve this question, thanks in advance 😃
Q. 9-43x=-7

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