Recent questions in Science Part 1

0 votes

1 answer 329 views

Match the pairs. Group ‘A’ Group ‘B’ a. C2 H6 1. Unsaturated hydrocarbon

asked Oct 10, 2021 in Chapter 9: Carbon Compounds by Doubtly (98.9k points)

0 votes

1 answer 735 views

Divide the metals Cu, Zn, Ca, Mg, Fe, Na, Li into three groups, namely reactive metals, moderately reactive metals and less reactive metals.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

0 answers 253 views

Complete the following statement using every given options. During the extraction of aluminium..............

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

1 answer 471 views

Zinc oxide is dissolved in dilute hydrochloric acid.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

1 answer 397 views

Electrolysis of alumina is done.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

1 answer 390 views

A reaction was brought about between ferric oxide and aluminium.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

1 answer 399 views

Write chemical equation for the following events. Iron filings are dropped in aqueous solution of copper sulphate

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

1 answer 448 views

Write chemical equation for the following events. Aluminium came in contact with air.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

1 answer 657 views

Draw a neat labelled diagram Hydraulic separation method.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

1 answer 469 views

Draw a neat labelled diagram Electrolytic reduction of alumina.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

1 answer 491 views

Draw a neat labelled diagram Froth floatation method.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

1 answer 556 views

Draw a neat labelled diagram Magnetic separation method

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

1 answer 430 views

The electronic configuration of metal ‘A’ is 2,8,1 and that of metal ‘B’ is 2,8,2.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

1 answer 780 views

When a copper coin is dipped in silver nitrate solution, a glitter appears on the coin after some time.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

1 answer 411 views

Anodes need to be replaced from time to time during the electrolysis of alumina.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

1 answer 377 views

Pine oil is used in froth flotation.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

1 answer 405 views

Sodium is always kept in kerosene.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

1 answer 423 views

Generally the ionic compounds have high melting points.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

1 answer 368 views

Lemon or tamarind is used for cleaning copper vessels turned greenish.

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

0 votes

1 answer 392 views

Explain the term Gangue

asked Oct 9, 2021 in Chapter 8: Metallurgy by Doubtly (98.9k points)

Recent questions in Science Part 1

Recent Badges

Most popular tags