Chemistry JAMB - Page 133 of 160 - Erudites Academy

In a neutralization reaction involving HCI and NaOH using litmus as indicator, the colour at the end point is?

In a neutralization reaction involving HCI and NaOH using litmus as indicator, the colour at the end point is?

by Sunday | Sep 16 | Chemistry JAMB

A. Blue B. Red C. Orange D. Purple Correct Answer: Option D – Purple Explanation Neutral litmus paper is purple. the result of a neutralization reaction is salt and water and hence is neutral.

In a neutralization reaction involving HCI and NaOH using litmus as indicator, the colour at the end point is?

In the extraction of iron, the waste gas from the furnace is a mixture of?

by Sunday | Sep 16 | Chemistry JAMB

A. NH3 CO and CO2 B. CO and C C. N2, CO and CO2 D. NH3 and CO Correct Answer: Option C – N2, CO and CO2 Explanation The N2 from the hot air blast to burn the coke (48%), the CO (23%) and CO2 (21%) produced from the reduction of the iron ore Fe2O3 by carbon (the...

In a neutralization reaction involving HCI and NaOH using litmus as indicator, the colour at the end point is?

The arrangement of particles in crystal lattices can be studied using?

by Sunday | Sep 16 | Chemistry JAMB

A. X-rays B. β – rays C. α – rays D. γ – rays Correct Answer: Option A = X-rays

In a neutralization reaction involving HCI and NaOH using litmus as indicator, the colour at the end point is?

The drying agent suitable for drying ammonia is?

by Sunday | Sep 16 | Chemistry JAMB

A. Calcium Chloride B. Calcium Oxide C. Phosphorus(V) Oxide D. Concentrated H2SO4 Correct Answer: Option B – Calcium Oxide

In a neutralization reaction involving HCI and NaOH using litmus as indicator, the colour at the end point is?

The number of electronic shells contained in an atom with electron configuration 1s² 2s² 2p6 3s² 3p6 4s² is?

by Sunday | Sep 16 | Chemistry JAMB

A. 3 B. 2 C. 4 D. 5 Correct Answer: Option C – 4

In a neutralization reaction involving HCI and NaOH using litmus as indicator, the colour at the end point is?

Ethanol is soluble in water due to the presence of a?

by Sunday | Sep 16 | Chemistry JAMB

A. Carbonyl group B. Hydroxyl group C. Phenyl group D. Methyl group Correct Answer: Option B – Hydroxyl group

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