1. В химическом уравнении Са + Н2О = Y + H2 вещество Y – это:

1) CaO

2) CaH2

3) O2

4) Ca (OH)2

2.В химическом уравнении Fe + AgNO3 = X + Y вещества X и Y – это

соответственно:

1) Fe(NO3)2 и Ag

2) реакция не идет

3) H2O и HNO3

4) Ag2O и FeN


Помогите срочно пожалуйста

Раскройте скобки, употребляя глаголы в Present Continuous или в Present Simple.

1. I (not to drink) . . . . . coffee now.  I (to write) . . . . . an English exercise. 2. I (not to drink) . . . . . . coffee in the evening. I (to drink) . . . . . . coffee in the morning. 3.   . . . . . . Your friend (to do) . . . . . . . . his homework now? 4.    . . . . Your friend (to go) . . . . . . . . to school in the morning?        5. Look! The baby (to sleep) . . . . . . . .     .  6. The baby always (to sleep) . . . . . . . after dinner. 7. My grandmother (not to work) . . . . . . .   . She is on pension. 8. My father (not to sleep) . . . . . . . . now. He (to work) . . . . . . . in the garden. I usually (to get) . . . . . . . . up at seven oclock in the morning. 10. What . . . . . your sister (to do) . . . . . . . . . . now? - She (to wash) . . . . . . . . . her face and hands. 11. When you usually (to come) . . . . . . . . home from school? - I (to come) . . . . . . .  at three oclock. 12. Where . . . . . your cousin (to work) . . . . . . . . .? -- He (to work) . . . . . . . . . at a hospital.