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clive
Questions and answers by
clive
Questions (23)
Find the HCF and LCM of:
1 + 4x + 4x^2 - 16x^4.. ,1 + 2x - 8x^3 - 16x^4.., 16x^4 + 4x^2 + 1
4 answers
1,721 views
Show that:
sin^2(45 + A) + sin^2(45 - A ) = 1
1 answer
358 views
Red sclae residue ( COPPER II ) partly dissolves in dilute acid to form a pale blue solution. Name the pale blue solution and
4 answers
465 views
Prove :
1 + Sin2A/ Cos2A = CosA + SinA / CosA- SinA
6 answers
2,402 views
Copper dissolves in dilute acid ( H2so4) to form a pale blue solution
Which of the following equation is correct 1) Cu +
6 answers
589 views
Methane burns in air to give carbon dioxide and water. Give a chemical equation . Show(State ) how the mixtures of these gases
2 answers
661 views
how to separate the mixtures of methane gas and carbon dioxide
1 answer
380 views
What would be the pH of a solution that liberates carbon dioxide from sodium carbonate. Give chemical equation and reason
3 answers
438 views
How can DRY calcium carbonate be prepared from sodium carbonate?
Na2Co3 + CaCl2 --- NaCL + CaCo3. but how to get dry calcium
2 answers
607 views
carbon dioxide is moderately soluble in cold water but is completely boiled out if the water is boiled.Solubility increases
2 answers
489 views
Lime water can be used to detect carbon dioxide but it cannot be used to absorb carbon dioxide. Why?
1 answer
572 views
A and B can do a piece of work in 12 days. They started to work together but A left after a few days. If B alone worked for 20
2 answers
609 views
In the preparation of ammonia, why should the mixture of ammonium chloride and calcium hydroxide be a paste, not dry powder?
1 answer
407 views
A and B can do a piece of work in 10 days, B and C in 15 days, A and C in 12 days. A,B and C work together to finish the work.
5 answers
745 views
A and B take 18 days to complete a work. A left the work after 10 days and B takes 12 days more to complete the work. In how
1 answer
337 views
Given that 3rd Quartile (Q3) = 60 . The classes are :
0-10,10-20,20-30,30-40,40-50,50-60,60-7... 70-80,80-90 Now, IN which class
1 answer
404 views
A(2,1) , B(4,3) and C(3,5) are the vertices of a triangle ABC. If r1 represents the reflection in X axis and r2 represents the
2 answers
626 views
How can we increase the rate of change of magnetic flux? ( i want to check my answer)?
Can it be : a) using a stronger magnet b)
4 answers
862 views
x^2 + xy - Ky^2=0 , the angle made by the line pairs of this equation is 45 degree. I got the value of k as 0 and -2, do we need
4 answers
450 views
What is the first step in the scientific method?
4 answers
169 views
What was the significance of the Boston Massacre?
1 answer
201 views
Which of the following were reasons for the Great Depression? Select the three correct answers.
1 answer
104 views
Which of the following were reasons for the Great Depression? Select the three correct answers.
A. shortage of workers B.
1 answer
94 views
Answers (24)
Which of the following could provide definitive evidence of a chemical reaction? Choose two correct answers.(1 point)
hey bot
Which of the following might a limited government be more likely to do than an unlimited government?
Consider the reaction represented by the space-fill models shown. Drag the correct label to each box. Blank 1 represents the substance(s) on the left. Blank 2 represents the arrow in the middle. Blank 3 represents the substance(s) on the right. (2 points)
hey bot
thx the bestanwsers 100 2025
hey bot
hey bot is Theregodatboi right
can you help me
hi bot
WHAT IS IT
58
People may get angry when they do not have they right
But I did it comparing with ax^2 + 2hxy + by^2=0 and got -2
so, it is wrong right? Is number b correct?
Thanks... can you help me with this question as well? A and B take 18 days to complete a work. A left the work after 10 days and B takes 12 days more to complete the work. In how many days can A complete the whole work?
Thank you so much. :D :D . I am very grateful towards you... :)
in limited air, what reaction does it undergo to form carbon MONOXIDE ?
thanks sir..
Thak you sir for all these momentous information. Can you help me with one more question. I have posted it just now sir. I have an important exam tomorrow The question being ; Methane burns in air to give carbon dioxide and water. Give a chemical equation
powders are carbon and cupric oxide red sclae - copper pale blue solution - CuSO4 rest do by yourself
no 2 obviously
Is Cu + 2H2So4 = Cuso4 + 2so2 + 2h20
Thank you sir.. You made my day :D
