joriwilliams6228 joriwilliams6228

19-03-2024
Chemistry

contestada

On adding dilute sulphuric acid to a test tube containing a metal ‘X’, a colourless gas is produced when a burning match stick is brought near it. Which of the following correctly represents metal ‘X’?
a) Sodium
b) Sulphur
c) Copper
d) Silver

Respuesta :

Otras preguntas

What is the sum of the angles in the image? 50° 66° 86° 76°

2 What value of x makes the equation below true? 3.3x + 3.0 = 16.2 A 9.9 B. 5.82 C. 4 D. 1.64

The graph relates the temperature change y (in degrees Fahrenheit) to the altitude change x (in thousands of feet). Altitude Change

Tanvi opened a savings account and deposited $400.00 as principal. the account earns 13% interest, compounded annually. what is the balance after 7 years? p(1+)

Plsss helpp f(x) = x2 What is g(x)? g(x)- -(1,9) f(x) х -10 10 -10 O A. g(x) = (9x)2 O B. g(x) = (3x)2 O c. g(x) = 3x2 O D. g(x)= 90x)= (3x)

What was the purpose of the Montreal conference held in 20077

A passenger jet in the air increases its speed. Does the downward force of air on the top of the wings increase or decrease? Does the net lifting force of the a

Find the area of this semi-circle with diameter, d = 11cm. Give your answer rounded to 2 DP.

Venezuela is a(n) _________, as its economy and government are dependent on oil exports. bauxite petrostate quatro OPEC country

How is urine formed starting with the blood