in
)
How to solve
stored water.
For
Let us see how metals and non-metals
example, behave with acids.
(THLI NO
Carb
Activity 4.6
Warning Keep the mouth of the lest tube away from your face. Use test tube
Toider to hold the test tube.)
Take samples of metals and non-metals listed in Table 4.5 in separate test
tubes and label them as A, B, C, D, E, and F. With the help of a dropper add 5
mL of dilute hydrochloric acid to each test tube one by one. Observe the
reactions carefully. If no reaction occurs in the cold solution, warm the test
tube gently. Bring a burning matchstick near the mouth of each test tube.
Repeat the same activity using dilute sulphuric acid instead of the dilute
hydrochloric acid. Record your observations in Table 4.5.
ar
he
TTTT
Table 4.5 : Reaction of Metals and Non-metals with Acids
Test
tube
Label
Metal/
Non-metal
Reaction with Dilute Reaction with Dilute
Hydrochloric Acial 24
Sulphuric Acid H2O 4
Room Warm
Room Warm
Temperature
Temperature
A
Magnesium
(ribbon) Muu
B
Aluminium (foil)
C
Iron (filings)
D
Copper (peeled
flexible wire)
NO
fuor
E
Charcoal (powder)
NOWY
Sulphur (powder)
T
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Answer:
hi do xl
Explanation:
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