Recent questions in Science

0 votes

1 answer 181 views

Salts are formed by the neutralisation reaction between an acid and a base. Complete the following table by filling

asked Nov 11, 2023 in Science by Priya (33.3k points)

0 votes

1 answer 3.8k views

Assertion (A): All kitchen waste cannot form compost. Reason (R): Material like milk packets may not be biodegradable.

asked Nov 11, 2023 in Science by Priya (33.3k points)

0 votes

1 answer 4.4k views

Assertion (A): One circuit with 15 A current rating is used for appliances such as geysers and air coolers.

asked Nov 11, 2023 in Science by Priya (33.3k points)

0 votes

1 answer 3.4k views

Assertion (A): A lot of difference in the concentrations of ions was observed by a scientist between the fluid in xylem

asked Nov 10, 2023 in Science by Kabita (6.6k points)

0 votes

1 answer 4.1k views

Assertion (A): Copper ions migrate from the anode to the cathode during electrorefining of copper.

asked Nov 10, 2023 in Science by Kabita (6.6k points)

0 votes

1 answer 110 views

The chemicals that are non-degradable, get progressively accumulated at each trophic level, and their concentration is

asked Nov 10, 2023 in Science by Kabita (6.6k points)

0 votes

1 answer 283 views

If all the organisms of one trophic level in a food chain die, what would be its impact on the population of organisms

asked Nov 10, 2023 in Science by Kabita (6.6k points)

0 votes

1 answer 586 views

For a convex mirror the image distance (v) = 5 cm, focal length (f) = 10 cm and height of the image (h) = 7.5 cm.

asked Nov 10, 2023 in Science by Kabita (6.6k points)

0 votes

1 answer 137 views

The light enters from air to glass having refractive index 1.5. The speed of light in glass is

asked Nov 10, 2023 in Science by Kabita (6.6k points)

0 votes

1 answer 135 views

During exhalation, the exchange of gases takes place between

asked Nov 9, 2023 in Science by Priya (33.3k points)

0 votes

1 answer 302 views

A cross between pure tall and pure short pea plants gives hybrid tall pea plants in the first generation.

asked Nov 9, 2023 in Science by Priya (33.3k points)

0 votes

1 answer 432 views

Gastric juice is secreted by gastric glands and contains hydrochloric acid, mucus, and pepsin.

asked Nov 9, 2023 in Science by Priya (33.3k points)

0 votes

1 answer 1.9k views

Which of the following tests is given by the gas ‘X’ produced in the set up shown? (a) Lime water turns milky white

asked Nov 9, 2023 in Science by Priya (33.3k points)

0 votes

1 answer 515 views

Which of the following structures correctly represent the electron dot structure of a Nitrogen molecule?

asked Nov 9, 2023 in Science by Priya (33.3k points)

0 votes

1 answer 3.0k views

Which of the following correctly represents ‘X’ in the above chemical changes? (a) Ethane (b) Ethene (c) Ethyne

asked Nov 9, 2023 in Science by Priya (33.3k points)

0 votes

1 answer 583 views

The metal X does not react with cold water but floats on hot water with formation of colourless bubbles.

asked Nov 9, 2023 in Science by Priya (33.3k points)

0 votes

1 answer 228 views

Washing soda is hydrated a) Sodium hydrogen carbonate b) Sodium carbonate

asked Nov 9, 2023 in Science by Priya (33.3k points)

0 votes

1 answer 2.0k views

The ratio (x:y) of reactants Fe and H2O in the given balanced chemical equation is xFe(s) + yH2O(g) → Fe3O4 (s)

asked Nov 9, 2023 in Science by Priya (33.3k points)

0 votes

1 answer 3.5k views

Which of the following observations is correct for the above given experimental diagram?

asked Nov 9, 2023 in Science by Priya (33.3k points)

0 votes

1 answer 101 views

গধুৰ পানী কি? ইয়াৰ দুটা ব্যৱহাৰ লিখা।

asked Oct 10, 2023 in Science by Priya (33.3k points)

Page:

« prev
1
...
5
6
7
8
9
10
next »

Recent questions in Science

...