April 2021 1 37 Report
ESCRIBIR LOS NOMBRES DE LAS SIGUIENTES FORMULAS CON LA NOMENCLATURA STOCK Y SISTEMATICA
A. KBr
B. HI
C. Fe2S3
D. H2SO3
E. NaHCO3
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ESCRIBIR LAS FÓRMULAS PARA LOS SIGUIENTESCOMPUESTOS:A. Carbonato de sodioB. Hipoclorito de magnesioC. Nitrito cuprosoD. Metafosfito de sodioE. Permanganato de potasioF. Sulfito de potasioG. Sulfuro ácido de potasioH. Sulfato de estaño (II)I. Peryodato áuricoJ. Clorato de potasioK. Fosfato cúpricoL. Sulfuro de plataM. Nitrato de aluminioN. Fosfito mono[acido de calcio
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15.Are you listening to music? A. Yes, I am B. Yes, I do C. No, I don’t. 16.What ....... you ....... at the moment? A. Are/Doing. B. Do/Do. C. Does/Do 17.We ............. reading a book today. A. Is B. Aren’t. C. Am 18.The boys aren´t doing homework, they ....... A. Are playing. B. Play C. Plays 19.Nick and I .......... late on Sundays. A. Sleeps B. Sleep C. Sleeping 20.Lily and I …….. to the movies on weekends. A. Go B. Goes C. goin
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I ........... to the teacher carefully now. A. Am Listening B. Listens C. Listen
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The boy with the green tshirt is _______ her sister. A. Teases B. Teas C. Teasing
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The boy ______ a bike on weekends. A. Rides B. Ride C. Is Riding
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Shhh, be quiet. The baby _____ sleeping at the moment. A. Are B. Don’t C. Is
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My brother _______ go to the gym, he exercises at home.A. Doesn’t.B. Don’t.C. Isn’t .
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My parents ________ work in an office, they work in a hospital. They are doctors. A. Don’t. B. Doesn’t. C. Aren’t.
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Simon ______ his car very Saturday. A. Washes B. Wash C. Washing
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What time ______ you usually get up on Sundays? A. Does B. Are C. Do
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