30 Questions
Which scientist first prepared hydrogen chloride gas?
Glauber
What is the chemical formula for hydrogen chloride?
HCl
What type of compound is hydrogen chloride?
Covalent compound
How is hydrogen chloride gas synthesized?
By reacting hydrogen and chlorine in sunlight
What are the reactants used for the laboratory preparation of hydrogen chloride gas?
Sodium chloride and sulfuric acid
What is the product formed when sodium chloride reacts with sulfuric acid?
Sodium sulfate
What is the purpose of passing hydrogen chloride gas through concentrated sulfuric acid before collection?
To dry the gas
Which of the following is true about hydrogen chloride gas?
It is highly soluble in water
What happens when hydrogen chloride gas is dissolved in water?
It produces a strong monobasic acid
Which of the following metals can displace hydrogen from hydrogen chloride gas?
Magnesium
What happens when dry hydrogen chloride gas is passed through phosphorous pentaoxide (PO5)?
It undergoes a chemical reaction
How can you identify if a gas jar is filled with hydrogen chloride gas?
Dip a gas rod in ammonium hydroxide near its mouth
What is the physical property of hydrogen chloride gas?
It is a colorless gas with a pungent smell
What is the chemical property of hydrogen chloride gas?
It is neither combustible nor a supporter of combustion
Which of the following reactions produces a dense white fume?
NH4OH + HCl → NH4CI + H2O
What is the color of the precipitate formed when hydrochloric acid reacts with silver nitrate solution?
Curdy white
What is the solubility of the precipitate formed when hydrochloric acid reacts with lead nitrate solution?
Soluble in hot water but insoluble in cold water
What color is the gas produced when hydrochloric acid reacts with manganese (IV) oxide and concentrated hydrochloric acid?
Greenish yellow
What is the effect of hydrochloric acid on moist blue litmus paper?
Turns it red and then bleaches it to white
What is the effect of hydrochloric acid on moist starch iodide paper?
Turns it blue-black
What is hydrochloric acid extensively used for?
Manufacture of dyes, drugs, paints, and preparation of aqua-regia
In which industry is hydrochloric acid used for calico printing?
Calico printing industry
In which industry is hydrochloric acid used for tanning?
Tanning industry
Which indicator turns blue litmus paper red?
Hydrochloric acid
Which gas is liberated when dilute hydrochloric acid reacts with metallic carbonates?
Carbon dioxide
What is the product of the reaction between hydrochloric acid and sodium thiosulphate?
Sodium chloride
What is the color of the precipitate formed when hydrochloric acid reacts with silver nitrate?
White
What is the chemical formula of aqua regia?
HClO4
What gas is evolved when dilute hydrochloric acid reacts with metallic sulphides?
Hydrogen
What is the oxidizing agent that converts concentrated hydrochloric acid to chlorine gas?
Potassium dichromate
Test your knowledge of indicator color changes and reactions with metallic oxides and bases in this chemistry quiz. Learn about the color changes observed with blue litmus, phenolphthalein, and methyl orange, as well as the reaction of dilute hydrochloric acid with metallic oxides and bases. Perfect for ICSE Class 10 Chemistry students.
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