Hydrogen questions | form two Chemistry

(3536) Question Category: Short answers

(a) Draw a labelled diagram for the preparation of hydrogen gas using dilute hydrochloric acid and zinc.

(b) Give four properties of hydrogen.

Answer / Solution

UNSOLVED

(3537) Question Category: Multiple choices

Hydrogen gas can be collected by downward delivery because:
A. it burns in air with a pop-sound
B. it is more soluble than air
C. it is lighter than air
D. it can fill balloons

Answer / Solution

UNSOLVED

(3538) Question Category: Short answers

Why is Hydrogen gas used in filling balloons?

Answer / Solution

UNSOLVED

(3539) Question Category: Multiple choices

The common property for all carbonates and hydrogen is that they

  1. are soluble in cold water
  2. decompose on heating
  3. are colourless chemicals
  4. react with dilute nitric acid
  5. are not soluble in cold water

Answer / Solution

UNSOLVED

(3540) Question Category: Short answers

Which method is used in the laboratory gas preparation of hydrogen?
Give reasons for your answer

Answer / Solution

UNSOLVED


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