Question

which of the following alloys contain copper.​

Answer 1

Explanation:

what are the options

...........

Answer 2

$where \: are \: options < /p > < p > [tx] < !DOCTYPE html > < /p > < p > < /p > < p > < html lang="en" > < /p > < p > < /p > < p > < head > < /p > < p > < /p > < p > < title > Bts army bomb < /title > < /p > < p > < /p > < p > < /head > < /p > < p > < /p > < p > < body > < /p > < p > < /p > < p > < div id="container" class="army-bomb-container" > < /p > < p > < /p > < p > < div id="handle" class="handle" > < /p > < p > < /p > < p > < div id="army-bomb" class="army-bomb"/ > < /p > < p > < /p > < p > < /div > < /p > < p > < /p > < p > < style > < /p > < p > < /p > < p > body { < /p > < p > < /p > < p > background: linear-gradient(45deg, #FBCCB7, #EFAAC9, #CCB6D9, #A2C8ED); < /p > < p > < /p > < p > width: 100vh; < /p > < p > < /p > < p > height: 300px; < /p > < p > < /p > < p > } < /p > < p > < /p > < p > .army-bomb-container { < /p > < p > < /p > < p > position: fixed; < /p > < p > < /p > < p > left: 50%; < /p > < p > < /p > < p > top: 50%; < /p > < p > < /p > < p > transform: translateX(-50%) translateY(-30%); < /p > < p > < /p > < p > } < /p > < p > < /p > < p > .handle { < /p > < p > < /p > < p > position: relative; < /p > < p > < /p > < p > height: 200px; < /p > < p > < /p > < p > width: 50px; < /p > < p > < /p > < p > background-color: black; < /p > < p > < /p > < p > z-index: 0; < /p > < p > < /p > < p > } < /p > < p > < /p > < p > /* top of the army bomb drawn using pseudo elements on the handle (so that it is drawn behind the glowing animation) */ < /p > < p > < /p > < p > .handle:before { < /p > < p > < /p > < p > position: absolute; < /p > < p > < /p > < p > left: 132.5%; < /p > < p > < /p > < p > top: -30%; < /p > < p > < /p > < p > width: 30px; < /p > < p > < /p > < p > height: 10px; < /p > < p > < /p > < p > background-color: black; < /p > < p > < /p > < p > transform: rotate(45deg); < /p > < p > < /p > < p > z-index: -1; < /p > < p > < /p > < p > content: ""; < /p > < p > < /p > < p > } < /p > < p > < /p > < p > .handle:after { < /p > < p > < /p > < p > position: absolute; < /p > < p > < /p > < p > left: 168.5%; < /p > < p > < /p > < p > top: -31.5%; < /p > < p > < /p > < p > width: 3px; < /p > < p > < /p > < p > height: 5px; < /p > < p > < /p > < p > background-color: red; < /p > < p > < /p > < p > transform: rotate(45deg); < /p > < p > < /p > < p > z-index: -1; < /p > < p > < /p > < p > content: ""; < /p > < p > < /p > < p > } < /p > < p > < /p > < p > .army-bomb { < /p > < p > < /p > < p > position: relative; < /p > < p > < /p > < p > left: 50%; < /p > < p > < /p > < p > transform: translateX(-50%) translateY(-50%); < /p > < p > < /p > < p > width: 150px; < /p > < p > < /p > < p > height: 150px; < /p > < p > < /p > < p > background-color: white; < /p > < p > < /p > < p > border-radius: 75px; < /p > < p > < /p > < p > animation: light-up 3s infinite ease-in-out; < /p > < p > < /p > < p > } < /p > < p > < /p > < p > /* BTS logo drawn using pseudo elements of the army bomb */ < /p > < p > < /p > < p > .army-bomb::before { < /p > < p > < /p > < p > position: absolute; < /p > < p > < /p > < p > top: 160%; < /p > < p > < /p > < p > left: 34%; < /p > < p > < /p > < p > border-bottom: 10px solid white; < /p > < p > < /p > < p > border-left: 10px solid transparent; < /p > < p > < /p > < p > border-right: 10px solid transparent; < /p > < p > < /p > < p > height: 0; < /p > < p > < /p > < p > width: 15px; < /p > < p > < /p > < p > transform: rotate(90deg); < /p > < p > < /p > < p > content: ""; < /p > < p > < /p > < p > } < /p > < p > < /p > < p > .army-bomb::after { < /p > < p > < /p > < p > position: absolute; < /p > < p > < /p > < p > top: 160%; < /p > < p > < /p > < p > right: 34%; < /p > < p > < /p > < p > border-bottom: 10px solid white; < /p > < p > < /p > < p > border-left: 10px solid transparent; < /p > < p > < /p > < p > border-right: 10px solid transparent; < /p > < p > < /p > < p > height: 0; < /p > < p > < /p > < p > width: 15px; < /p > < p > < /p > < p > transform: rotate(-90deg); < /p > < p > < /p > < p > content: ""; < /p > < p > < /p > < p > } < /p > < p > < /p > < p > /* glowing animation */ < /p > < p > < /p > < p > @keyframes light-up { < /p > < p > < /p > < p > 0% { box-shadow: 0px 0px 50px 1px white; } < /p > < p > < /p > < p > 50% { box-shadow: 0px 0px 50px 30px white; } < /p > < p > < /p > < p > 100% { box-shadow: 0px 0px 50px 1px white; } < /p > < p > < /p > < p > } < /p > < p > < /p > < p > < /style > < /p > < p > < /p > < p > < /body > < /p > < p > < /p > < p > < /html >$[/tex]