chemicals in agriculture

Question 1

where do humans get their energy from?

Answer 1

nutrients/water and sleep

Question 2

where do plants get their energy from?

Answer 2

carbon dioxide

Question 3

what does soluble mean?

Answer 3

that it will disolve

Question 4

what ph scale is acidic?

Answer 4

0-6

Question 5

what ph scale is neutral?

Answer 5

7

Question 6

what ph scale is an alkali?

Answer 6

8-14

Question 7

typically what colours would an acid be??

Answer 7

reds/oranges/yellow

Question 8

what colour on the ph scale would be an alkali

Answer 8

blue/purple

Question 9

what colour is neutral

Answer 9

green

Question 10

what is the Haber process made from?

Answer 10

nitrogen, hydrogen and results in ammonia

Question 11

what is ammonia?

Answer 11

ammonia is made through the harbour process and is an alkali, soluble, gas and smelly

Question 12

give 2 separation techniques

Answer 12

evaporation and distillation

Question 13

what products can you make from a plant

Answer 13

medicine
food/drink
materials
shelter

Question 14

what are things plants need to grow?

Answer 14

sunlight
water
soil
carbon dioxide

Question 15

what is the haber process?

Answer 15

the process used to make ammonia

Question 16

what is a method that can be used to extract chemicals from plants

Answer 16

distillation

Question 17

what 3 elements need to be present in soil to make a plant grow

Answer 17

nitrogen, phosphorus, potassium

Question 18

what is nitrogen’s role to the plant?

Answer 18

makes protein which gives a healthy leaves and strong stem

Question 19

what is potassium’s role

Answer 19

helps plants to produce flowers and fruit

Question 20

what is phosphorus role?

Answer 20

helps root to grow and buds to form