Download App

Periodic Classification of Elements — Science STD 10 — Question

Tamilnadu BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements1 Mark
Question
The rocky impurity associated with the ore is called flux.
✓

Answer

False.
Correct statement: For making ornaments, 22 – carat gold is used which contains 22 parts of gold by weight and 2 parts of copper by weight.

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 "True-False" from Periodic Classification of Elements→Periodic Classification of Elements — all question types→Science STD 10 question papers→Tamilnadu Board STD 10 question papers→Tamilnadu Board question paper generator→

Similar questions

Aluminium alloyed with gold and silver for making coins and jewels.
→
Covalent compounds are soluble in water.
→
A molecule is the simplest structural unit of an element or compound which contains one or more atoms.
→
The irreversible reaction is relatively slow.
→
Avogadro’s hypothesis is used in the deduction of atomicity of elementary gases.
→
The lower side of the thoracic cavity in Rabbit is the dome-shaped Sternum.
→
The valency of all alkali metals is one.
→
Limestone, chalk and marble are different physical forms of calcium oxide.
→
For making ornaments, 24 – carat gold is used which is pure gold.
→
Velocity of light is greater in rarer medium is greater than that in denser medium.
→