BMAT 2003 Section 2 Question 16
The graph shows the solubility of potassium chlorate(V). A sample of potassium chlorate(V) weighing 80 g was added to 200 g of water at 70 C.The solution was allowed to…
The graph shows the solubility of potassium chlorate(V). A sample of potassium chlorate(V) weighing 80 g was added to 200 g of water at 70 C.The solution was allowed to…
In an experiment concerning radioactive decay, the count rate of radiation 5 cm from asource X was measured as 140 counts per minute. 12 minutes later, with the detector in…
The diagram shows the inheritance of a condition in a family. (i) Identify the three individuals who must be heterozygous for this condition.(ii) What are the chances that a second…
Solve the inequalityx^2 >8 – 2x Answer: 13) D We need to rearrange this inequality so that we have 0 on one side and the other figures on the other…
Three of the characteristic phenomena demonstrated by waves are reflection, refraction anddiffraction. How many of these phenomena cause the frequency of the wave to change? Answer: 11) A Frequency remains…
In the citric acid cycle, succinic acid, C4H6O4, is converted into fumaric acid, C4H4O4. This is an example of which one of the following chemical changes? Answer: 12) A Fumaric…
Which one of these graphs could be a sketch of the graph of the function y = 2x? Answer: 10) B For this question, you can substitute values into the…
Ammonia is manufactured from the reaction between nitrogen and hydrogen.N2 + 3H2 ⇌ 2NH3What is the maximum mass of ammonia that can be obtained from a mixture of 56g ofnitrogen…
Three resistors of equal value are connected up as shown. Arrange the letters corresponding to the four combinations in increasing order of resistance (least resistance first). Answer: 8) A, B,…
The diagram shows the menstrual (oestrus) cycle for a human female who is not pregnant. During which period, A, B, C or D, will the concentration of oestrogen reach its…