Question

(Warning : Keep the mouth of the test tube away from your face. Use test tube
mL of dilute hydrochloric acid to each test tube one by one. Observe the
tube gently. Bring a burning matchstick near the mouth of each test tube.
holder to hold the test tube.)
thes
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
reactions carefully. If no reaction occurs in the cold solution, warm the test
Repeat the same activity using dilute sulphuric acid instead of the dilute
hydrochloric acid. Record your observations in Table 4.5.
Table 4.5 : Reaction of Metals and Non-metals with Acids
Sen
Test
tube
Label
Metal/
Non-metal
Reaction with Dilute
Hydrochloric Acid
Room Warm
Temperature
Reaction with Dilute
Sulphuric Acid
Room Warm
Temperature
А
Magnesium
(ribbon)
B
Aluminium (foil)
C
Iron (filings)
D
Copper (peeled
flexible wire)
E
Charcoal (powder)
Sulphur (powder)
MATERIALS : METALS AND NON-METALS​

Answer 1

Answer:

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