Assertion: Pure iron is not used for making tools and machines.
Reason: Pure iron is hard.
Reason: Pure iron is hard.
- AIf both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
- BIf both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
- CIf the Assertion is correct but Reason is incorrect.
- DIf both the Assertion and Reason are incorrect.
Explore More
Similar Questions
Both iron and copper are present in which of the following ores?
Medium
View SolutionBauxite is an oxide ore of
Easy
View SolutionThe chemical formula of the mineral Carnallite is.....
Easy
View SolutionMatch List-$I$ with List-$II$.
List-$I$ (Ore) List-$II$ (Element Present) $a$. Kernite $i$. Tin $b$. Cassiterite $ii$. Boron $c$. Calamine $iii$. Fluorine $d$. Cryolite $iv$. Zinc
Choose the most appropriate answer from the options given below.
| List-$I$ (Ore) | List-$II$ (Element Present) |
|---|---|
| $a$. Kernite | $i$. Tin |
| $b$. Cassiterite | $ii$. Boron |
| $c$. Calamine | $iii$. Fluorine |
| $d$. Cryolite | $iv$. Zinc |
Choose the most appropriate answer from the options given below.
Which elements are found in the second and third positions in the Earth's crust,respectively?
Easy
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo