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Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer :

Statement : The integrated steel plants in India would no longer have to depend on imports for continuous casting refractories.

Assumptions :
I. Continuous casting refractories are needed by India.
II. Continuous casting refractories are in demand.
In the following figure, the triangle represents diamond, the circle represents carbon and the rectangle represents graphite. Which set of letters represents carbon that are graphite but not diamond?
In the following figure, the triangle represents diamond, the circle represents carbon and the rectangle represents graphite. Which set of letters represents carbon that are neither diamond nor graphite?
Which of the following statements is NOT correct about Carbon and its allotropes? I. Graphite contains delocalized electrons. II. The hybridization state of carbon in fullerene is sp2. III. The number of carbon compounds is very large because carbon is tetravalent.
An Fe/graphite diffusion couple is annealed at 1273 K. The carbon content (in mass %) on the Fe side of the Fe/graphite diffusion couple will be close to
What does the term ‘carbon count’ means? 1. A measure of the amount of carbon dioxide you produce through your lifestyle every day. 2. A measure of the amount of carbon present on Earth. 3. A measure of the amount of carbon and carbon dioxide on Earth. Select the correct answer using the code given below.
Faster rate of drying of moulded refractories results in high __________ of refractories.
Silica refractories are also known as ______ refractories.
Basic refractories are costlier than acid refractories.
Which of the following statements are correct? (a) Diamond is a non-conductor of electricity. (b) Graphite has a two-dimensional sheet-like structure. (c) Graphite conducts electricity. (d) Diamond is used for rock drilling.