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PICLEC: HYDROGEN

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Total cards: 21•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (21)

#1
Front (Question)

This element’s Synonyms are: 1. “Inflammable air” 2. Means “Water-producing” (A.Lavoisier)

Back (Answer)

HYDROGEN

#2
Front (Question)

An essential constituent of all acids

Back (Answer)

HYDROGEN

#3
Front (Question)

• A colorless, odorless, and tasteless gas • Burns with a Pale blue non-luminous flame • A reducing agent with Pd, Ni, and Pt as catalyst

Back (Answer)

H2 GAS

#4
Front (Question)

This can be Obtained by: 1. Electrolysis of water containing Caustic soda (sodium hydroxide) 2. Fractionation of water gas 3. Passing steam over incandescent iron 4. Reaction of some metals (Na, K) with water

Back (Answer)

H2 GAS

#5
Front (Question)

This can be Used as: 1. In Haber process, for Nitrogen fixation 2. Inflating balloons 3. Production of high temperature with Oxygen 4. Hydrogenation of edible oils

Back (Answer)

H2 GAS

#6
Front (Question)

• It has 3 Isotopes: 1. Protium (1) 2. Deuterium (2) 3. Tritium (3)

Back (Answer)

ISOTOPES OF HYDROGEN

#7
Front (Question)

ISOTOPES OF HYDROGEN: - Most abundant, Naturally-occuring

Back (Answer)

PROTIUM (HYDROGEN-1)

#8
Front (Question)

ISOTOPES OF HYDROGEN: - Naturally-occuring

Back (Answer)

DEUTERIUM (HYDROGEN-2)

#9
Front (Question)

ISOTOPES OF HYDROGEN: - Radioactive tracer

Back (Answer)

TRITIUM (HYDROGEN-3)

#10
Front (Question)

• “Heavy water” • Used as Tracer compound

Back (Answer)

DEUTERIUM OXIDE

#11
Front (Question)

• “Heavy water”

Back (Answer)

DEUTERIUM OXIDE

#12
Front (Question)

• Alkaline water • Carbonated water • Chalybeate water • Lithia water • Saline water • Sulfur water • Siliceous water

Back (Answer)

MINERAL WATERS

#13
Front (Question)

“Natural spring”, “Well waters”

Back (Answer)

MINERAL WATERS

#14
Front (Question)

MINERAL WATERS: - With Sodium (Na) and Magnesium (Mg) sulfates + NaHCO3

Back (Answer)

ALKALINE WATER

#15
Front (Question)

MINERAL WATERS: - Charged with CO2 under pressure - example: Sparkling water

Back (Answer)

CARBONATED WATER

#16
Front (Question)

MINERAL WATERS: - With Iron characterized by Ferruginous taste (lasang bakal)

Back (Answer)

CHALYBEATE WATER

#17
Front (Question)

MINERAL WATERS: - With Lithium carbonates or Chlorides

Back (Answer)

LITHIA WATER

#18
Front (Question)

MINERAL WATERS: - “Purgative water”

Back (Answer)

SALINE WATER

#19
Front (Question)

MINERAL WATERS: - “Purgative water” - With Sodium (Na) and Magnesium (Mg) sulfates + NaCl

Back (Answer)

SALINE WATER

#20
Front (Question)

MINERAL WATERS: - With Hydrogen sulfide

Back (Answer)

SULFUR WATER

#21
Front (Question)

MINERAL WATERS: - With Alkali silicates

Back (Answer)

SILICEOUS WATER