Download App

Chemical Reactions and Equations — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceChemical Reactions and Equations2 Marks
Question
Name one element in which corrosion is not proved to be wasteful.
✓

Answer

Zink and aluminum in which corrosion not proved to be wasteful.
Zinc and aluminium are such metals. This is because their oxides form a layer over metal's surface and are not flaky or powdery so dont get removed easily and protect the inner metal.

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 "[2 Mark Questions]" from Chemical Reactions and Equations→Chemical Reactions and Equations — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

What is the most characteristic feature of non-biodegradable wastes?
→
Which part of the eye controls the size of the pupil?
→
What is the role of saliva in the digestion of food?
→
Explain vegetative propagation with the help of two examples. List two advantages of vegetative propagation.
→
Define the electric resistivity of material and also write its SI unit.
→
How are waste products excreted in Amoeba?
→
What is the position of the image when an object is placed at a distance of 20cm from a concave mirror of focal length 20cm?
→
If a ray of light enters from alcohol to air. The refractive index of alcohol is 1.36. Calculate the speed of light in alcohol with respect to air.
→
Hydrogen is not a metal but still it has been assigned a place in the reactivity series of metals. Why?
→
“Respiration is a vital function of the body”. Justify this statement.
→