Edexcel Jun 2017 Paper 1 Q1

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SECTION A Answer ALL the questions in this section. You should aim to spend no more than 20 minutes . on this section. For each question, select one answer from A to D and put a cross in the box and then mark your new answer with If you change your mind, put a line through the box . a cross 1 The concentration of carbon monoxide in the exhaust gases of a car without a catalytic converter is 0.7 % by volume. D O N O T W R I T E I N T H I S A R E A In units of parts per million, this concentration is A 7 B 70 C 700 D 7000 (Total for Question 1 = 1 mark) Ionization occurs in a mass spectrometer when an atom or a molecule is accelerated to high kinetic energy and loses an electron. is accelerated to high kinetic energy and gains an electron. C collides with a high energy electron and loses an electron. D collides with a high energy electron and gains an electron. Use this space for rough working. Anything you write in this space will gain no credit. (Total for Question 2 = 1 mark) *P53491A0232* D O N O T W R I T E I N T H I S A R E A D O N O T W R I T E I N T H I S A R E A<br />

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