Q1. Fill in the blanks (2x8=16 MARKS)
a. In a
reaction two or more substances combine to form a single new substances.
b. The Reaction in which heat is given out is called
reaction.
Curd contains
acid.
d. Chemical formula of bleaching powder is
e. A mirror used as rear view mirror in vehicles is
mirror.
f. A device that is used to break an electric circuit is called
The chemical formula for ozone is
h. Electrical cell is a device that converts
energy into electrical energy.​

Select the word from the list that best fits the definition de pequeña siembre las mismas canciones.

Question 1 (fill-in-the-blank worth 1 points) fill the blank with the preterite tense of the verb in parentheses. yo a leer el libro ayer. (empezar) answer for blank 1: question 2 (fill-in-the-blank worth 1 points) fill the blank with the preterite tense of the verb in parentheses. ellos a trabajar. (empezar) answer for blank 1: question 3 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. yo empiezo answer for blank 1: question 4 (fill-in-the-blank worth 1 points) fill the blank with the preterite tense of the verb in parentheses. yo buena nota. (sacar) answer for blank 1: question 5 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. yo busco answer for blank 1:

Las calles estén sucias. a. es recomendable que b. es una vergüenza que c. es preferible que d. es preciso que