Download App

Unit - 7.2 Properties and Uses of Hydrogen — CHEMISTRY STD 8 — Question

ICSE BoardEnglish MediumSTD 8CHEMISTRYUnit - 7.2 Properties and Uses of Hydrogen1 Mark
Question
The _______________ flame is used for cutting and welding purposes.
✓

Answer

Oxy-hydrogen

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Fill in the blanks." from Unit - 7.2 Properties and Uses of Hydrogen→Unit - 7.2 Properties and Uses of Hydrogen — all question types→CHEMISTRY STD 8 question papers→ICSE Board STD 8 question papers→ICSE Board question paper generator→

Similar questions

The element molybdenum used in the reaction of nitrogen with hydrogen at elevated temperatures is an example of a $…..… [$promoter$/$catalyst$]$.
→
According to Maharishi kanad, the tiniest of the tiny particle of a pure substance is called _______________.
→
The reaction of coke with steam to give water gas is an example of an $……… [$exothermic$/$endothermic$]$ reaction.
→
An element $‘X$ has six electrons in its outer or valence shell. Its valency is $………… [+2l – 2l – 1].$
→
The reaction between sodium carbonate solution and copper sulphate solution is a precipitation reaction.
→
When a solid disappears in water, the solid is said to be _______________.
→
Energy required for completion of a physical change is $…………. [$released$/$absorbed$]$ when the change is reversed.
→
Tritium, an isotope of hydrogen gas,_______________ neutrons in its nucleus.
→
The reaction between an acid and a base is called $.........$
→
The $.........$ of an atom is very hard and dense.
→